SECTION IX.

OF THE EFFECTS OF OTHER RELATIONS AND OTHER HABITS.

However convincing the foregoing arguments may appear, we must not

rest contented with them, but must turn the subject on every side, in

order to find some new points of view, from which we may illustrate

and confirm such extraordinary and such fundamental principles. A

scrupulous hesitation to receive any new hypothesis is so laudable a

disposition in philosophers, and so necessary to the examination of

truth, that it deserves to be complied with, and requires that every

argument be produced which may tend to their satisfaction, and every

objection removed which may stop them in their reasoning.

I have often observed, that, beside cause and effect, the two relations

of resemblance and contiguity are to be considered as associating

principles of thought, and as capable of conveying the imagination from

one idea to another. I have also observed, that when of two objects,

connected together by any of these relations, one is immediately

present to the memory or senses, not only the mind is conveyed to

its co-relative by means of the associating principle, but likewise

conceives it with an additional force and vigour, by the united

operation of that principle, and of the present impression. All this

I have observed, in order to confirm, by analogy, my explication of

our judgments concerning cause and effect. But this very argument may

perhaps be turned against me, and, instead of a confirmation of my

hypothesis, may become an objection to it. For it may be said, that

if all the parts of that hypothesis be true, viz. _that_ these three

species of relation are derived from the same principles; _that_ their

effects, in enforcing and enlivening our ideas, are the same; and

_that_ belief is nothing but a more forcible and vivid conception of an

idea; it should follow, that that action of the mind may not only be

derived from the relation of cause and effect, but also from those of

contiguity and resemblance. But as we find by experience that belief

arises only from causation, and that we can draw no inference from one

object to another, except they be connected by this relation, we may

conclude, that there is some error in that reasoning which leads us

into such difficulties.

This is the objection: let us now consider its solution. 'Tis evident,

that whatever is present to the memory, striking upon the mind with

a vivacity which resembles an immediate impression, must become of

considerable moment in all the operations of the mind, and must easily

distinguish itself above the mere fictions of the imagination. Of

these impressions or ideas of the memory we form a kind of system,

comprehending whatever we remember to have been present, either to our

internal perception or senses; and every particular of that system,

joined to the present impressions, we are pleased to call a _reality_.

But the mind stops not here. For finding, that with this system of

perceptions there is another connected by custom, or, if you will,

by the relation of cause or effect, it proceeds to the consideration

of their ideas; and as it feels that 'tis in a manner necessarily

determined to view these particular ideas, and that the custom or

relation, by which it is determined, admits not of the least change,

it forms them into a new system, which it likewise dignifies with the

title of _realities_. The first of these systems is the object of the

memory and senses; the second of the judgment.

'Tis this latter principle which peoples the world, and brings us

acquainted with such existences as, by their removal in time and

place, lie beyond the reach of the senses and memory. By means of it

I paint the universe in my imagination, and fix my attention on any

part of it I please. I form an idea of Rome, which I neither see nor

remember, but which is connected with such impressions as I remember

to have received from the conversation and books of travellers and

historians. This idea of Rome I place in a certain situation on the

idea of an object which I call the globe. I join to it the conception

of a particular government, and religion and manners. I look backward

and consider its first foundation, its several revolutions, successes

and misfortunes. All this, and every thing else which I believe, are

nothing but ideas, though, by their force and settled order, arising

from custom and the relation of cause and effect, they distinguish

themselves from the other ideas, which are merely the offspring of the

imagination.

As to the influence of contiguity and resemblance, we may observe, that

if the contiguous and resembling object be comprehended in this system

of realities, there is no doubt but these two relations will assist

that of cause and effect, and infix the related idea with more force

in the imagination. This I shall enlarge upon presently. Meanwhile I

shall carry my observation a step farther, and assert, that even where

the related object is but feigned, the relation will serve to enliven

the idea, and increase its influence. A poet, no doubt, will be the

better able to form a strong description of the Elysian fields, that he

prompts his imagination by the view of a beautiful meadow or garden;

as at another time he may, by his fancy, place himself in the midst of

these fabulous regions, that by the feigned contiguity he may enliven

his imagination.

But though I cannot altogether exclude the relations of resemblance and

contiguity from operating on the fancy in this manner, 'tis observable

that, when single, their influence is very feeble and uncertain. As

the relation of cause and effect is requisite to persuade us of any

real existence, so is this persuasion requisite to give force to these

other relations. For where upon the appearance of an impression we not

only feign another object, but likewise arbitrarily, and of our mere

good-will and pleasure give it a particular relation to the impression,

this can have but a small effect upon the mind; nor is there any

reason, why, upon the return of the same impression, we should be

determined to place the same object in the same relation to it. There

is no manner of necessity for the mind to feign any resembling and

contiguous objects; and if it feigns such, there is as little necessity

for it always to confine itself to the same, without any difference or

variation. And indeed such a fiction is founded on so little reason,

that nothing but pure _caprice_ can determine the mind to form it; and

that principle being fluctuating and uncertain, 'tis impossible it can

ever operate with any considerable degree of force and constancy. The

mind foresees and anticipates the change; and even from the very first

instant feels the looseness of its actions, and the weak hold it has

of its objects. And as this imperfection is very sensible in every

single instance, it still increases by experience and observation, when

we compare the several instances we may remember, and form a _general

rule_ against the reposing any assurance in those momentary glimpses of

light, which arise in the imagination from a feigned resemblance and

contiguity.

The relation of cause and effect has all the opposite advantages. The

objects it presents are fixed and unalterable. The impressions of the

memory never change in any considerable degree; and each impression

draws along with it a precise idea, which takes its place in the

imagination, as something solid and real, certain and invariable. The

thought is always determined to pass from the impression to the idea,

and from that particular impression to that particular idea, without

any choice or hesitation.

But not content with removing this objection, I shall endeavour to

extract from it a proof of the present doctrine. Contiguity and

resemblance have an effect much inferior to causation; but still

have some effect, and augment the conviction of any opinion, and the

vivacity of any conception. If this can be proved in several new

instances, beside what we have already observed, 'twill be allowed

no inconsiderable argument, that belief is nothing but a lively idea

related to a present impression.

To begin with contiguity; it has been remarked among the Mahometans

as well as Christians, that those _pilgrims_, who have seen Mecca or

the Holy Land are ever after more faithful and zealous believers, than

those who have not had that advantage. A man, whose memory presents

him with a lively image of the Red Sea, and the Desert, and Jerusalem,

and Galilee, can never doubt of any miraculous events, which are

related either by Moses or the Evangelists. The lively idea of the

places passes by an easy transition to the facts, which are supposed

to have been related to them by contiguity, and increases the belief

by increasing the vivacity of the conception. The remembrance of

these fields and rivers has the same influence on the vulgar as a new

argument, and from the same causes.

We may form a like observation concerning _resemblance_. We have

remarked, that the conclusion which we draw from a present object to

its absent cause or effect, is never founded on any qualities which

we observe in that object, considered in itself; or, in other words,

that 'tis impossible to determine otherwise than by experience, what

will result from any phenomenon, or what has preceded it. But though

this be so evident in itself, that it seemed not to require any proof,

yet some philosophers have imagined that there is an apparent cause

for the communication of motion, and that a reasonable man might

immediately infer the motion of one body from the impulse of another,

without having recourse to any past observation. That this opinion is

false will admit of an easy proof. For if such an inference may be

drawn merely from the ideas of body, of motion, and of impulse, it must

amount to a demonstration, and must imply the absolute impossibility of

any contrary supposition. Every effect, then, beside the communication

of motion, implies a formal contradiction; and 'tis impossible not only

that it can exist, but also that it can be conceived. But we may soon

satisfy ourselves of the contrary, by forming a clear and consistent

idea of one body's moving upon another, and of its rest immediately

upon the contact; or of its returning back in the same line in which

it came; or of its annihilation, or circular or elliptical motion:

and in short, of an infinite number of other changes, which they may

suppose it to undergo. These suppositions are all consistent and

natural; and the reason why we imagine the communication of motion

to be more consistent and natural, not only than those suppositions,

but also than any other natural effect, is founded on the relation of

_resemblance_ betwixt the cause and effect, which is here united to

experience, and binds the objects in the closest and most intimate

manner to each other, so as to make us imagine them to be absolutely

inseparable. Resemblance, then, has the same or a parallel influence

with experience; and as the only immediate effect of experience is to

associate our ideas together, it follows that all belief arises from

the association of ideas, according to my hypothesis.

'Tis universally allowed by the writers on optics, that the eye at

all times sees an equal number of physical points, and that a man on

the top of a mountain has no larger an image presented to his senses,

than when he is cooped up in the narrowest court or chamber. 'Tis only

by experience that he infers the greatness of the object from some

peculiar qualities of the image; and this inference of the judgment

he confounds with sensation, as is common on other occasions. Now

'tis evident, that the inference of the judgment is here much more

lively than what is usual in our common reasonings, and that a man

has a more vivid conception of the vast extent of the ocean from the

image he receives by the eye, when he stands on the top of the high

promontory, than merely from hearing the roaring of the waters. He

feels a more sensible pleasure from its magnificence, which is a proof

of a more lively idea; and he confounds his judgment with sensation,

which is another proof of it. But as the inference is equally certain

and immediate in both cases, this superior vivacity of our conception

in one case can proceed from nothing but this, that in drawing an

inference from the sight, beside the customary conjunction, there is

also a resemblance betwixt the image and the object we infer, which

strengthens the relation, and conveys the vivacity of the impression to

the related idea with an easier and more natural movement.

No weakness of human nature is more universal and conspicuous than what

we commonly call _credulity_, or a too easy faith in the testimony of

others; and this weakness is also very naturally accounted for from

the influence of resemblance. When we receive any matter of fact upon

human testimony, our faith arises from the very same origin as our

inferences from causes to effects, and from effects to causes; nor

is there any thing but our _experience_ of the governing principles

of human nature, which can give us any assurance of the veracity of

men. But though experience be the true standard of this, as well as

of all other judgments, we seldom regulate ourselves entirely by it,

but have a remarkable propensity to believe whatever is reported,

even concerning apparitions, enchantments, and prodigies, however

contrary to daily experience and observation. The words or discourses

of others have an intimate connexion with certain ideas in their mind;

and these ideas have also a connexion with the facts or objects which

they represent. This latter connexion is generally much over-rated,

and commands our assent beyond what experience will justify, which can

proceed from nothing beside the resemblance betwixt the ideas and the

facts. Other effects only point out their causes in an oblique manner;

but the testimony of men does it directly, and is to be considered as

an image as well as an effect. No wonder, therefore, we are so rash in

drawing our inferences from it, and are less guided by experience in

our judgments concerning it, than in those upon any other subject.

As resemblance, when conjoined with causation, fortifies our

reasonings, so the want of it in any very great degree is able almost

entirely to destroy them. Of this there is a remarkable instance in

the universal carelessness and stupidity of men with regard to a

future state, where they show as obstinate an incredulity, as they

do a blind credulity on other occasions. There is not indeed a more

ample matter of wonder to the studious, and of regret to the pious

man, than to observe the negligence of the bulk of mankind concerning

their approaching condition; and 'tis with reason, that many eminent

theologians have not scrupled to affirm, that though the vulgar have

no formal principles of infidelity, yet they are really infidels in

their hearts, and have nothing like what we can call a belief of

the eternal duration of their souls. For let us consider on the one

hand what divines have displayed with such eloquence concerning the

importance of eternity; and at the same time reflect, that though in

matters of rhetoric we ought to lay our account with some exaggeration,

we must in this case allow, that the strongest figures are infinitely

inferior to the subject: and after this, let us view on the other hand

the prodigious security of men in this particular: I ask, if these

people really believe what is inculcated on them, and what they pretend

to affirm; and the answer is obviously in the negative. As belief is

an act of the mind arising from custom, 'tis not strange the want of

resemblance should overthrow what custom has established, and diminish

the force of the idea, as much as that latter principle increases it.

A future state is so far removed from our comprehension, and we have

so obscure an idea of the manner in which we shall exist after the

dissolution of the body, that all the reasons we can invent, however

strong in themselves, and however much assisted by education, are never

able with slow imaginations to surmount this difficulty, or bestow a

sufficient authority and force on the idea. I rather choose to ascribe

this incredulity to the faint idea we form of our future condition,

derived from its want of resemblance to the present life, than to that

derived from its remoteness. For I observe, that men are every where

concerned about what may happen after their death, provided it regard

this world; and that there are few to whom their name, their family,

their friends, and their country are in any period of time entirely

indifferent.

And indeed the want of resemblance in this case so entirely destroys

belief, that except those few who, upon cool reflection on the

importance of the subject, have taken care by repeated meditation

to imprint in their minds the arguments for a future state, there

scarce are any who believe the immortality of the soul with a true

and established judgment; such as is derived from the testimony of

travellers and historians. This appears very conspicuously wherever

men have occasion to compare the pleasures and pains, the rewards and

punishments of this life with those of a future; even though the case

does not concern themselves, and there is no violent passion to disturb

their judgment. The Roman Catholics are certainly the most zealous of

any sect in the Christian world; and yet you'll find few among the

more sensible part of that communion who do not blame the Gunpowder

Treason, and the massacre of St Bartholomew, as cruel and barbarous,

though projected or executed against those very people, whom without

any scruple they condemn to eternal and infinite punishments. All we

can say in excuse for this inconsistency is, that they really do not

believe what they affirm concerning a future state; nor is there any

better proof of it than the very inconsistency.

We may add to this a remark, that in matters of religion men take a

pleasure in being terrified, and that no preachers are so popular as

those who excite the most dismal and gloomy passions. In the common

affairs of life, where we feel and are with the solidity of the

subject, nothing can be more disagreeable than fear and terror; and

'tis only in dramatic performances and in religious discourses that

they ever give pleasure. In these latter cases the imagination reposes

itself indolently on the idea; and the passion being softened by the

want of belief in the subject, has no more than the agreeable effect of

enlivening the mind and fixing the attention.

The present hypothesis will receive additional confirmation, if we

examine the effects of other kinds of custom, as well as of other

relations. To understand this we must consider that custom, to which

I attribute all belief and reasoning, may operate upon the mind in

invigorating an idea after two several ways. For supposing that, in

all past experience, we have found two objects to have been always

conjoined together, 'tis evident, that upon the appearance of one of

these objects in an impression, we must, from custom, make an easy

transition to the idea of that object, which usually attends it; and

by means of the present impression and easy transition must conceive

that idea in a stronger and more lively manner than we do any loose

floating image of the fancy. But let us next suppose, that a mere idea

alone, without any of this curious and almost artificial preparation,

should frequently make its appearance in the mind, this idea must,

by degrees, acquire a facility and force; and both by its firm hold

and easy introduction distinguish itself from any new and unusual

idea. This is the only particular in which these two kinds of custom

agree; and if it appear that their effects on the judgment are similar

and proportionable, we may certainly conclude, that the foregoing

explication of that faculty is satisfactory. But can we doubt of this

agreement in their influence on the judgment, when we consider the

nature and effects of _education_?

All those opinions and notions of things, to which we have been

accustomed from our infancy, take such deep root, that 'tis impossible

for us, by all the powers of reason and experience, to eradicate them;

and this habit not only approaches in its influence, but even on

many occasions prevails over that which arises from the constant and

inseparable union of causes and effects. Here we must not be contented

with saying, that the vividness of the idea produces the belief:

we must maintain that they are individually the same. The frequent

repetition of any idea infixes it in the imagination; but could never

possibly of itself produce belief, if that act of the mind was, by the

original constitution of our natures, annexed only to a reasoning and

comparison of ideas. Custom may lead us into some false comparison

of ideas. This is the utmost effect we can conceive of it; but 'tis

certain it could never supply the place of that comparison, nor produce

any act of the mind which naturally belonged to that principle.

A person that has lost a leg or an arm by amputation endeavours for

a long time afterwards to serve himself with them. After the death

of any one, 'tis a common remark of the whole family, but especially

the servants, that they can scarce believe him to be dead, but still

imagine him to be in his chamber or in any other place, where they

were accustomed to find him. I have often heard in conversation, after

talking of a person that is any way celebrated, that one, who has no

acquaintance with him, will say, _I have never seen such a one, but

almost fancy I have, so often have I heard talk of him_. All these are

parallel instances.

If we consider this argument from _education_ in a proper light, 'twill

appear very convincing; and the more so, that 'tis founded on one

of the most common phenomena that is any where to be met with. I am

persuaded that, upon examination, we shall find more than one half of

those opinions that prevail among mankind to be owing to education, and

that the principles which are thus implicitly embraced, overbalance

those, which are owing either to abstract reasoning or experience.

As liars, by the frequent repetition of their lies, come at last to

remember them; so the judgment, or rather the imagination, by the like

means, may have ideas so strongly imprinted on it, and conceive them

in so full a light, that they may operate upon the mind in the same

manner with those which the senses, memory, or reason present to us.

But as education is an artificial and not a natural cause, and as its

maxims are frequently contrary to reason, and even to themselves in

different times and places, it is never upon that account recognised

by philosophers; though in reality it be built almost on the same

foundation of custom and repetition as our reasonings from causes and

effects.[8]

[8] In general we may observe, that as our assent to all probable

reasonings is founded on the vivacity of ideas, it resembles many

of those whimsies and prejudices which are rejected under the

opprobrious character of being the offspring of the imagination. By

this expression it appears, that the word imagination, is commonly used

in two different senses; and though nothing be more contrary to true

philosophy than this inaccuracy, yet, in the following reasonings, I

have often been obliged to fall into it. When I oppose the imagination

to the memory, I mean the faculty by which we form our fainter ideas.

When I oppose it to reason, I mean the same faculty, excluding only our

demonstrative and probable reasonings. When I oppose it to neither,

'tis indifferent whether it be taken in the larger or more limited

sense, or at least the context will sufficiently explain the meaning.

Philosophical Works, v. 1 (of 4) Including All the Essays, and Exhibiting the More Important Alterations and Corrections in the Successive Editions Published by the Author · 第 9 / 17 章