In my last Lecture, Gentlemen, I endeavoured to prepare the way,

for arranging, in certain classes, that almost infinite variety of

phenomena, which the mind exhibits,--pointing out to you the peculiar

difficulty of such a classification, in the case of phenomena so

indefinite and fugitive, as those of the mind, and the nature of that

generalizing principle of analogy or resemblance, on which every

classification, whether of the material or mental phenomena, must

alike proceed. I then took a slight view of the primary, leading,

divisions of the phenomena of the mind, which have met with most

general adoption,--the very ancient division of them, as of two great

departments, belonging to the _understanding_ and the _will_,--and

the similar division of them, as referable to two classes of powers,

termed the _intellectual_ and _active powers_ of the mind. I explained

to you the reasons, which led me to reject both these divisions, as

at once incomplete, from not comprehending all the phenomena, and

inaccurate, from confounding even those phenomena, which they may truly

be considered as comprehending.

After rejecting these, it became necessary to attempt some new

arrangement, especially as we found reason to believe that some

advantage could scarcely fail to arise from the attempt itself, even

though it should fail as to its great object; and we, therefore,

proceeded to consider and arrange the phenomena, as nearly as possible,

in the same manner as we should have done, if no arrangement of them

had ever been made before.

In thus considering them, the first important distinction which

occurred to us, related to their _causes_, or immediate antecedents,

as foreign to the mind, or as belonging to the mind itself; a

distinction too striking to be neglected as a ground of primary

division. Whatever that may be, which feels and thinks, it has been

formed to be susceptible of certain changes of state, in consequence of

the mere presence of external objects, or at least of changes produced

in our mere bodily organs, which, themselves, may be considered as

external to the mind; and it is susceptible of certain other changes of

state, without any cause external to itself, one state of mind being

the immediate result of a former state of mind, in consequence of those

laws of succession of thoughts and feelings, which He, who created the

immortal soul of man, as a faint shadow of His own eternal spirit, has

established in the constitution of our mental frame. In conformity

with this distinction, we made our first division of the phenomena

of the mind, into its _external_ and _internal_ affections; the word

_affection_ being used, by me, as the simplest term for expressing a

mere change of state induced, in relation to the affecting cause, or

the circumstances, whatever they may have been, by which the change was

immediately preceded.

The class of _internal affections_,--by far the more copious

and various of the two,--we divided into two great orders, our

_intellectual_ states of mind, and our _emotions_, words which are,

perhaps, better understood, before any definition is attempted of

them, than after it, but which are sufficiently intelligible without

definition, and appear to exhaust completely the whole internal

affections of the mind. We have sensations or perceptions of the

objects that affect our bodily organs; these I term the sensitive or

external affections of the mind; we remember objects--we imagine them

in new situations--we compare their relations; these mere conceptions

or notions of objects and their qualities, as elements of our general

knowledge, are what I have termed the intellectual states of the mind;

we are moved with certain lively feelings, on the consideration of what

we thus perceive, or remember, or imagine, or compare, with feelings,

for example, of beauty, or sublimity, or astonishment, or love, or

hate, or hope, or fear; these, and various other vivid feelings,

analogous to them, are our _emotions_.

There is no portion of our consciousness, which does not appear to me

to be included in one or other of these three divisions. To know all

our sensitive states or affections,--all our intellectual states,--and

all our emotions, is to know all the states or phenomena of the mind;

“Unde animus scire incipiat, quibus inchoet orsa

Principiis seriem rerum tenuemque catenam

Mnemosyne; Ratio unde, rudi sub pectore tardum

Augeat imperium, et primum mortalibus ægris

_Ira, dolor, metus, et curæ_ nascantur inanes.”[60]

It must not be conceived, however, that, in dividing the class of

internal affections of the mind, into the two distinct orders of

intellectual states, and emotions; and, in speaking of our emotions as

subsequent in their origin, I wish to be understood, that these never

are combined, at the same moment, in that sense of combination, as

applied to the mind, which I have already explained too frequently,

to need again to define and illustrate it. On the contrary, they

very frequently concur; but, in all cases in which they do concur,

it is easy for us to distinguish them by reflective analysis. The

emotion of _pity_, for example, may continue in the mind, while we

are _intellectually_ planning means of relief, for the sufferers who

occasioned it; but, though the pity and the reasoning _co-exist_, we

have little difficulty in separating them in our reflection. It is the

same with all our vivid desires, which not merely lead to action, but

accompany it. The sage, who in the silence of midnight, continues still

those labours which the morning began, watching, with sleepless eye,

the fate of some experiment, that almost promises to place within his

hand the invisible thread, which leads into the labyrinths of nature,

or exploring those secrets of the mind itself, by the aid of which

he is afterwards to lay down rules of more accurate philosophizing,

and to become the legislator of all who think, is not cheered, in his

toils, merely by occasional anticipations of the truths that await his

search. The pleasure of future discovery is, as it were, a constant

light, that shines upon him and warms him; and, in the very moments

in which he watches, and calculates, and arranges, there are other

principles of his nature, in as lively exercise as his powers of

observation and reasoning. The warrior, at the head of an army, which

he has often led from victory to victory, and which he is leading

again to new fields of conflict, does not think of glory only in the

intervals of meditation or action. The passion which he obeys, is

not a mere inspiring genius, that occasionally descends to rouse or

invigorate. It is the _soul_ of his continued existence,--it marches

with him, from station to station,--it deliberates with him in his

tent,--it conquers with him in the field,--it thinks of new successes,

in the very moment of vanquishing; and, even at night, when his body

has yielded at last to the influence of that fatigue, of which it was

scarcely conscious, while there was room for any new exertion by which

fatigue could be increased, and when all the anxieties of military

command are slumbering with it, the passion that animates him, more

active still, does not quit him as he rests, but is wakeful in his very

sleep, bringing before him dreams, that almost renew the tumults and

the toils of the day. Our emotions, then, may _co-exist_ with various

sensations, remembrances, reasonings,--in the same manner as these

feelings, sensitive or intellectual, may variously co-exist with each

other. But we do not think it less necessary to class our sensations of

vision as different from our sensations of smell, and our comparison,

as itself different from the separate sensations compared, because we

may, at the same moment, both see and smell a rose, and may endeavour

to appreciate the relative amount of pleasure which that beautiful

flower thus doubly affords. In like manner, our intellectual states of

mind, and our emotions, are not the less to be considered as distinct

classes, because any vivid passion may continue to exist together with

those intellectual processes of thought, which it originally prompted,

and which, after prompting, it prolongs.

In all these cases, however, in which an emotion _co-exists_ with the

results of other external or internal influences, it is still easy to

distinguish its subsequence to the feelings that preceded it. Pity, for

example, as in the case to which I have before alluded, may co-exist

with a long train of thoughts, that are busily occupied in endeavouring

to relieve most effectually the misery which is pitied; but the misery

must have been itself an object of our thought, before the state of

mind which constitutes pity, could have been induced. The emotion which

we feel, on the contemplation of beauty, may continue to co-exist with

our mere perception of the forms and colours of bodies; but these forms

and colours must have been perceived by us, before the delightful

emotion could have been originally felt. In short, our emotions,

though like the warmth and radiance, which seem to accompany the very

presence of the sun, rather than to flow from it--they may seem in many

cases to be a part of the very feelings which excite them, are yet,

in every instance, as truly secondary to these feelings, as the light

which beams on us, on the surface of our earth, is subsequent to the

rising of the great orb of day.

As yet, we have advanced but a short way, in our generalization of the

mental phenomena: though, as far as we have advanced, our division

seems sufficiently distinct and comprehensive. The mind is susceptible

of certain existing affections, of certain intellectual modifications

which arise from these, and of certain emotions which arise from both;

that is to say, it is capable of existing in certain states, the

varieties of which correspond with these particular designations. We

see, we remember, or compare, what we have seen, regard what we see, or

remember, or compare, with desire or with aversion; and of these, or of

states analogous to these, the whole of life, sensitive, intellectual,

or moral, is composed. Every minute, therefore, of every hour, in

all its variety of occupation, is but a portion of this complicated

tissue. Let us suppose ourselves, for example, looking down from an

eminence, on the prospect beneath.--On one side all is desolation,--and

we see perhaps, at a little distance, some half-roofless hovel, as

miserable, as the waste immediately around it, which has scarcely

the appearance of a dwelling for any living thing, but seems rather,

as if Nature herself had originally placed it there, as a part of

the general sterility and ruggedness. On the other side, all is

plenty and magnificence;--and we see, amid lawns and wooded banks, a

mansion as different in aspect, as if the beings that inhabited it

were of a different race,--which, as a part of the scene, where it is

placed, accords so harmoniously with the whole, that, without it, the

scene itself would appear incomplete, and almost incongruous, as if

stripped of some essential charm. To view these separate dwellings,

and all the objects around them--if no other feeling arose--would be

to have a series of external or sensitive affections only. But it is

scarcely possible for us to view them, without the instant rise of

those intellectual states of mind which constitute comparison, and of

those affections of another order, which constitute the emotions of

admiration and desire in the one case, and in the other the emotions

that are opposite to admiration and desire, together perhaps with some

of those bitter emotions which the sight of misery makes in every

breast that is not unworthy of so sacred an influence.

In this example, our intellectual states of mind, and our emotions,

have for their objects things really existing without; but the external

affections of our senses, though the most permanent, and usually the

most vivid, and therefore the best remembered, of all the sources of

our internal feelings are far from being necessary, in every instance,

to the production of these. There is a constant, or almost constant

succession of internal affections of mind, of thoughts, and emotions,

following thoughts and emotions, which even though we were to be

rendered incapable of a single new sensation,--if our animal life

could in these circumstances be long protracted,--would still preserve

to us also that _intellectual_ and _moral_ existence, which is the

only life, that is worthy of the name. The knowledge which we acquire

from _without_, lives in us _within_; and, in such a case as that

which I have now imagined, our memory would be to us in some measure

every sense, which we had lost, creating to us again that very world

which had vanished before us. If we could compare and love or hate

only things actually present, we should be far from the maturity and

perfection of an infant's mind, and should scarcely be advanced to the

rank of idiocy, which limited as it is in its range, still comprehends

in its little sphere of foresight and memory, some few moments at

least of the past, and even a moment or two of the future. It is with

the future and with the past, that, intellectually and morally, we

are chiefly conversant. To these high capacities of our being, the

subjects, which can exercise our powers and feelings, however distant

in time or place, are as it were _everlastingly present_,--like that

mysterious eternal _now_, of which theologians speak,--in which past,

present, and future are considered, as, in every moment of every age,

alike visible to the omniscient glance of the Divinity. We love the

virtues, of which we read, with the same sort of emotion, with which

we love the virtues that are mingling with us in the present hour.

The patriot of the most remote age,--of whom we know nothing, but

the historical tale, of his voluntary perils or sufferings, in some

generous cause,--is like the friend of our familiar intercourse; and

the sacrifices, that wrought the happiness of millions of beings, who

are now not merely _unknown_ to us, but of whom not a single name is

remembered on the earth, awake a sort of veneration, that is almost

combined with gratitude, as if we were in the presence of a personal

deliverer. It is the same with absolute _unreality_, nor merely with

that which no longer exists, but with that which never had existence.

We are struck with the beauty of what we only imagine, in the same

manner, though perhaps not with the same liveliness of feeling, as

we are struck with the beauty of external things. Our emotions then,

however dependent they may have been originally, are _now_ no longer

dependent, on these external things. They may arise, from memory or

imagination, as readily as from perception; but when they arise from

memory or imagination, they are as truly distinguishable from what we

remember and imagine, as they are distinguishable from our perceptions

of mere forms and colours and other sensible qualities, when they arise

from what we perceive.

To have arranged all the varieties of feelings of which the mind is

susceptible, in the three great divisions to which our arrangement

as yet has extended,--though it is unquestionably to have made some

advance in our generalization,--is yet to have made only a small part

of the necessary progress; since each of these three orders comprehends

almost innumerable phenomena, which require the aid of more minute

division. In the class of our external affections, indeed, this

subdivision is very simple and easy; since our separate organs of sense

furnish, of themselves, a very evident ground of distinction. But the

two orders of our internal affections have no such obvious and tangible

distinction, to serve as the basis of their subdivisions. They admit,

however,--as I trust we shall find,--of distinctions, which, though

not equally _obvious_, are almost equally definite, and require only

a very little reflection, to be understood as clearly, as the organic

relations, according to which we distinguish our sensations of sound,

or smell, or sight. It is not my intention, however, to proceed, at

present, to the consideration of these subdivisions; since the nature

of the more minute arrangement will, I conceive, be better understood,

when we come to treat of each separate order fully, than they could be

now, by the mere enumeration of a few names, of the propriety of which,

as mere names, and, still more of the propriety of the arrangement

which they involve, you could not be expected to form any accurate

judgment, without a fuller elucidation.

All which I must request you, then, at present, to keep in remembrance,

is the _primary_ division, which we have made, of the different states

of the mind into two great classes, and the _secondary_ division which

we have made of _one_ of these classes, into its two very comprehensive

orders.--You will remember, then, that the various affections, of which

the mind is susceptible, are either _external_, as they arise from

causes without the mind, or _internal_, as they arise from previous

states, of the mind itself;--that of these internal affections, some

are mere conceptions or notions of former feelings, or of objects and

of the qualities or relations of objects, as remembered or variously

combined or compared,--results of different susceptibilities of

our intellectual constitution, to which different names have been

given, conception, memory, imagination, abstraction, reason, and

other synonymous terms;--that these internal affections or states

of the mind, which I have denominated its intellectual states, are

distinctly separable, in our reflective analysis, from certain vivid

feelings, that may arise instantly in the mind, on the consideration

of these mere intellectual results, or on the perception of objects

without,--feelings of admiration, love, desire, and various other

analogous, or opposite states of the mind;--but that there is such

an order of vivid feelings, which arise, in many cases, on the mere

consideration of what we perceive or remember, or imagine, or compare,

and that this order is what I wish to be distinguished by the name of

_emotions_.

According to this division, therefore, of the mental phenomena, into

those which are of external and those which are of internal origin,

and the subdivision which we have made of this latter class, I shall

proceed to consider, first, The external powers or susceptibilities

of the mind; 2dly, The intellectual powers or susceptibilities of the

mind; and, 3dly, Its susceptibilities of emotion,--beginning with that

class, which we have every reason to suppose to be first, in the actual

order of developement,--the powers or susceptibilities of the mind, in

its immediate relation to its own bodily organs.

Certain states of our bodily organs are directly followed by certain

states or affections of our mind;--certain states or affections of

our mind are directly followed by certain states of our bodily organs.

The nerve of sight, for example, is affected in a certain manner;

vision, which is an affection or state of the mind, is its consequence.

I will to move my hand; the hand obeys my will, so rapidly, that the

motion, though truly subsequent, seems almost to accompany my volition,

rather than to follow it. In conformity with the definitions before

given of power and susceptibility, the one as implying a reference to

something consequent, the other a reference to something antecedent,

I should be inclined to consider the sensation which follows the

presence of an external object as indicating a mental susceptibility

of being so affected;--the production of muscular motion by the will,

as indicating a mental power. But the terms are of less consequence,

if you understand fully the distinction that is implied in them; and

you may be allowed still, in compliance with the general language, to

speak of the power or faculty of sensation or perception, if you mean

nothing more, as often as you use these terms, than that the mind is

affected in a certain manner, and, therefore, must have had a previous

susceptibility of being thus affected whenever certain changes have

previously taken place, in that nervous system, with which it is

connected.

In considering the susceptibilities of the mind, I comprehend, under

its _external_ affections, all those phenomena or states of the

mind, which are commonly termed _sensations_; together with all our

internal organic feelings of pleasure or pain, that arise from states

of the nervous system, as much as our other sensations. Many of these

are commonly ranked under another head, that of _appetites_,--such

as hunger, thirst, the desire of repose, or of change of muscular

position, which arises from long-continued exertion; the oppressive

anxiety, which arises from impeded respiration, and various other

diseases, arising from bodily uneasiness. But these appetites evidently

admit of being analysed into two distinct elements,--a pain of a

peculiar species, and a subsequent desire of that which is to relieve

the pain,--states of mind, of which one may immediately succeed the

other; but which are, unquestionably, as different in themselves, as

if no such succession took place,--as different as the pleasure of

music is from the mere desire of enjoying it again, or as the pain of

excessive heat, in burning, from the subsequent desire of coolness.

The pain, which is _one_ element of the appetite, is an _external_

affection of the mind, to be classed with our other sensations,--the

succeeding desire, which is another element of it, is an _internal_

affection of the mind, to be classed with our other emotions of desire.

We might have felt the same pain of hunger, though we had not been

aware, that it arose from want of food, and consequently could not

have felt any desire of food, but merely the general desire of relief

which attends every disagreeable sensation. We might have felt the

same uneasiness, which we term thirst, though we had not been aware,

that it would be relieved by a draught of any beverage,--and the same

pain of impeded respiration or fatigue, though nature had not led

us instinctively, in the one case to perform the muscular actions

necessary for expiration and inspiration; in the other, to change

our posture, and thus give repose to the wearied limbs. Whatever be

the organic states, which occasion these painful feelings, that are

elementary in our appetites, there can be no doubt, that some organic

affections precede them, as truly as some affection of an external

organ precedes the pain of a burn, or the painful temporary blindness,

when we are dazzled with excessive light. And though, in the case of

the appetite, we may give the same name to the pain, and to the desire

of that which is to relieve the pain; or rather, may give one name

to the combination of the two feelings,--which is not to be wondered

at, where the two feelings are so universally and so immediately

successive,--this error, or rather this mere abbreviation of language,

is no reason that we should consider the elementary pain itself, as

different, in kind, from our other pains, that have not merely half

a term to express them, but a whole undivided word of their own. The

pain, of which the appetite desires the relief, is a _sensation_, as

much as any other internal bodily pain which we feel,--a state or

affection of the mind, arising, immediately and solely, from a state or

affection of the body,--which is the only definition that can be given

of a _sensation_.

The pain of hunger and thirst, then, and, in general, every internal

pain arising from a state of the bodily organs,--and distinct from the

subsequent desires which they occasion,--are as truly _sensations_,

as any other sensations; and the desires that follow these particular

sensations, are as truly _desires_, as any other desires of which we

have the consciousness. We may, indeed, if we resolve to invent a

new name, for those particular desires, that terminate immediately

in the relief of bodily pain, or the production of bodily pleasure,

give to such desires the name of _appetites_; but it is surely a very

simple analysis only, that is necessary to separate, from the desire of

relief, the feeling of the pain which we wish to be relieved; since it

is very evident, that the pain _must_ have existed primarily _before_

any such desire could be felt.

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