19. But, to give a farther account how words came to produce the doctrine

of abstract ideas, it must be observed that it is a received opinion that

language has no other end but the communicating ideas, and that every

significant name stands for an idea. This being so, and it being withal

certain that names which yet are not thought altogether insignificant do

not always mark out particular conceivable ideas, it is straightway

concluded that they stand for abstract notions. That there are many names

in use amongst speculative men which do not always suggest to others

determinate, particular ideas, or in truth anything at all, is what nobody

will deny. And a little attention will discover that it is not necessary

(even in the strictest reasonings) that significant names which stand for

ideas should, every time they are used, excite in the understanding the

ideas they are made to stand for: in reading and discoursing, names being

for the most part used as letters are in Algebra, in which, though a

particular quantity be marked by each letter, yet to proceed right it is

not requisite that in every step each letter suggest to your thoughts that

particular quantity it was appointed to stand for(507).

20. Besides, the communicating of ideas marked by words is not the chief

and only end of language, as is commonly supposed. There are other ends,

as the raising of some passion, the exciting to or deterring from an

action, the putting the mind in some particular disposition; to which the

former is in many cases barely subservient, and sometimes entirely

omitted, when these can be obtained without it, as I think doth(508) not

unfrequently happen in the familiar use of language. I entreat the reader

to reflect with himself, and see if it doth not often happen, either in

hearing or reading a discourse, that the passions of fear, love, hatred,

admiration, and disdain, and the like, arise immediately in his mind upon

the perception of certain words, without any ideas(509) coming between. At

first, indeed, the words might have occasioned ideas that were fitting to

produce those emotions; but, if I mistake not, it will be found that, when

language is once grown familiar, the hearing of the sounds or sight of the

characters is oft immediately attended with those passions which at first

were wont to be produced by the intervention of ideas that are now quite

omitted. May we not, for example, be affected with the promise of a _good

thing_, though we have not an idea of what it is? Or is not the being

threatened with danger sufficient to excite a dread, though we think not

of any particular evil likely to befal us, nor yet frame to ourselves an

idea of danger in abstract? If any one shall join ever so little

reflection of his own to what has been said, I believe that it will

evidently appear to him that general names are often used in the propriety

of language without the speakers designing them for marks of ideas in his

own, which he would have them raise in the mind of the hearer. Even proper

names themselves do not seem always spoken with a design to bring into our

view the ideas of those individuals that are supposed to be marked by

them. For example, when a schoolman tells me “Aristotle hath said it,” all

I conceive he means by it is to dispose me to embrace his opinion with the

deference and submission which custom has annexed to that name. And this

effect may be so instantly produced in the minds of those who are

accustomed to resign their judgment to authority of that philosopher, as

it is impossible any idea either of his person, writings, or reputation

should go before. [(510)So close and immediate a connexion may custom

establish betwixt the very word Aristotle(511) and the motions of assent

and reverence in the minds of some men.] Innumerable examples of this kind

may be given, but why should I insist on those things which every one’s

experience will, I doubt not, plentifully suggest unto him?

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21. We have, I think, shewn the impossibility of Abstract Ideas. We have

considered what has been said for them by their ablest patrons; and

endeavoured to shew they are of no use for those ends to which they are

thought necessary. And lastly, we have traced them to the source from

whence they flow, which appears evidently to be Language.

It cannot be denied that words are of excellent use, in that by their

means all that stock of knowledge which has been purchased by the joint

labours of inquisitive men in all ages and nations may be drawn into the

view and made the possession of one single person. But [(512)at the same

time it must be owned that] most parts of knowledge have been [(513)so]

strangely perplexed and darkened by the abuse of words, and general ways

of speech wherein they are delivered, [that it may almost be made a

question whether language has contributed more to the hindrance or

advancement of the sciences(514)]. Since therefore words are so apt to

impose on the understanding, [I am resolved in my inquiries to make as

little use of them as possibly I can(515):] whatever ideas I consider, I

shall endeavour to take them bare and naked into my view; keeping out of

my thoughts, so far as I am able, those names which long and constant use

hath so strictly united with them. From which I may expect to derive the

following advantages:—

22. _First_, I shall be sure to get clear of all controversies purely

verbal, the springing up of which weeds in almost all the sciences has

been a main hindrance to the growth of true and sound knowledge.

_Secondly_, this seems to be a sure way to extricate myself out of that

fine and subtle net of abstract ideas, which has so miserably perplexed

and entangled the minds of men; and that with this peculiar circumstance,

that by how much the finer and more curious was the wit of any man, by so

much the deeper was he likely to be ensnared and faster held therein.

_Thirdly_, so long as I confine my thoughts to my own ideas(516), divested

of words, I do not see how I can easily be mistaken. The objects I

consider, I clearly and adequately know. I cannot be deceived in thinking

I have an idea which I have not. It is not possible for me to imagine that

any of my own ideas are alike or unlike that are not truly so. To discern

the agreements or disagreements there are between my ideas, to see what

ideas are included in any compound idea and what not, there is nothing

more requisite than an attentive perception of what passes in my own

understanding.

23. But the attainment of all these advantages does presuppose an entire

deliverance from the deception of words; which I dare hardly promise

myself, so difficult a thing it is to dissolve an union so early begun,

and confirmed by so long a habit as that betwixt words and ideas. Which

difficulty seems to have been very much increased by the doctrine of

_abstraction_. For, so long as men thought _abstract_ ideas were annexed

to their words, it does not seem strange that they should use words for

ideas; it being found an impracticable thing to lay aside the word, and

retain the _abstract_ idea in the mind; which in itself was perfectly

inconceivable. This seems to me the principal cause why those who have so

emphatically recommended to others the laying aside all use of words in

their meditations, and contemplating their bare ideas, have yet failed to

perform it themselves. Of late many have been very sensible of the absurd

opinions and insignificant disputes which grow out of the abuse of words.

And, in order to remedy these evils, they advise well(517), that we attend

to the ideas signified, and draw off our attention from the words which

signify them(518). But, how good soever this advice may be they have given

others, it is plain they could not have a due regard to it themselves, so

long as they thought the only immediate use of words was to signify ideas,

and that the immediate signification of every general name was a

determinate abstract idea.

24. But these being known to be mistakes, a man may with greater ease

prevent his being imposed on by words. He that knows he has no other than

_particular_ ideas, will not puzzle himself in vain to find out and

conceive the _abstract_ idea annexed to any name. And he that knows names

do not always stand for ideas(519) will spare himself the labour of

looking for ideas where there are none to be had. It were, therefore, to

be wished that every one would use his utmost endeavours to obtain a clear

view of the ideas he would consider; separating from them all that dress

and incumbrance of words which so much contribute to blind the judgment

and divide the attention. In vain do we extend our view into the heavens

and pry into the entrails of the earth, in vain do we consult the writings

of learned men and trace the dark footsteps of antiquity. We need only

draw the curtain of words, to behold the fairest tree of knowledge, whose

fruit is excellent, and within the reach of our hand.

25. Unless we take care to clear the First Principles of Knowledge from

the embarras and delusion of Words, we may make infinite reasonings upon

them to no purpose; we may draw consequences from consequences, and be

never the wiser. The farther we go, we shall only lose ourselves the more

irrecoverably, and be the deeper entangled in difficulties and mistakes.

Whoever therefore designs to read the following sheets, I entreat him that

he would make my words the occasion of his own thinking, and endeavour to

attain the same train of thoughts in reading that I had in writing them.

By this means it will be easy for him to discover the truth or falsity of

what I say. He will be out of all danger of being deceived by my words.

And I do not see how he can be led into an error by considering his own

naked, undisguised ideas(520).

Part First

1. It is evident to any one who takes a survey of the _objects of human

knowledge_, that they are either _ideas_ actually imprinted on the senses;

or else such as are perceived by attending to the passions and operations

of the mind; or lastly, _ideas_ formed by help of memory and

imagination—either compounding, dividing, or barely representing those

originally perceived in the aforesaid ways. By sight I have the ideas of

light and colours, with their several degrees and variations. By touch I

perceive hard and soft, heat and cold, motion and resistance; and of all

these more and less either as to quantity or degree. Smelling furnishes me

with odours; the palate with tastes; and hearing conveys sounds to the

mind in all their variety of tone and composition(521).

And as several of these are observed to accompany each other, they come to

be marked by one name, and so to be reputed as one _thing_. Thus, for

example, a certain colour, taste, smell, figure and consistence having

been observed to go together, are accounted one distinct thing, signified

by the name apple; other collections of ideas constitute a stone, a tree,

a book, and the like sensible things; which as they are pleasing or

disagreeable excite the passions of love, hatred, joy, grief, and so

forth(522).

2. But, besides all that endless variety of ideas or objects of knowledge,

there is likewise Something which knows or perceives them; and exercises

divers operations, as willing, imagining, remembering, about them. This

perceiving, active being is what I call _mind_, _spirit_, _soul_, or

_myself_. By which words I do not denote any one of my ideas, but a thing

entirely distinct from them, wherein they exist, or, which is the same

thing, whereby they are perceived; for the existence of an idea consists

in being perceived(523).

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3. That neither our thoughts, nor passions, nor ideas formed by the

imagination, exist without the mind is what everybody will allow. And to

me it seems no less evident that the various sensations, or ideas

imprinted on the Sense, however blended or combined together (that is,

whatever objects they compose), cannot exist otherwise than in a mind

perceiving them(524). I think an intuitive knowledge may be obtained of

this, by any one that shall attend to what is meant by the term _exist_

when applied to sensible things(525). The table I write on I say exists;

that is, I see and feel it: and if I were out of my study I should say it

existed; meaning thereby that if I was in my study I might perceive it, or

that some other spirit actually does perceive it. There was an odour, that

is, it was smelt; there was a sound, that is, it was heard; a colour or

figure, and it was perceived by sight or touch. This is all that I can

understand by these and the like expressions(526). For as to what is said

of the _absolute_ existence of unthinking things, without any relation to

their being perceived, that is to me perfectly unintelligible. Their

_esse_ is _percipi_; nor is it possible they should have any existence out

of the minds or thinking things which perceive them(527).

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4. It is indeed an opinion strangely prevailing amongst men, that houses,

mountains, rivers, and in a word all sensible objects, have an existence,

natural or real(528), distinct from their being perceived by the

understanding. But, with how great an assurance and acquiescence soever

this Principle may be entertained in the world, yet whoever shall find in

his heart to call it in question may, if I mistake not, perceive it to

involve a manifest contradiction. For, what are the forementioned objects

but the things we perceive by sense? and what do we perceive besides our

own(529) ideas or sensations? and is it not plainly repugnant that any one

of these, or any combination of them, should exist unperceived?

5. If we thoroughly examine this tenet(530) it will, perhaps, be found at

bottom to depend on the doctrine of _abstract ideas_. For can there be a

nicer strain of abstraction than to distinguish the existence of sensible

objects from their being perceived, so as to conceive them existing

unperceived(531)? Light and colours, heat and cold, extension and

figures—in a word the things we see and feel—what are they but so many

sensations, notions(532), ideas, or impressions on the sense? and is it

possible to separate, even in thought, any of these from perception? For

my part, I might as easily divide a thing from itself. I may, indeed,

divide in my thoughts, or conceive apart from each other, those things

which perhaps I never perceived by sense so divided. Thus, I imagine the

trunk of a human body without the limbs, or conceive the smell of a rose

without thinking on the rose itself. So far, I will not deny, I can

abstract; if that may properly be called _abstraction_ which extends only

to the conceiving separately such objects as it is possible may really

exist or be actually perceived asunder. But my conceiving or imagining

power does not extend beyond the possibility of real existence or

perception. Hence, as it is impossible for me to see or feel anything

without an actual sensation of that thing, so is it impossible for me to

conceive in my thoughts any sensible thing or object distinct from the

sensation or perception of it. [(533)In truth, the object and the

sensation are the same thing, and cannot therefore be abstracted from each

other.]

6. Some truths there are so near and obvious to the mind that a man need

only open his eyes to see them. Such I take this important one to be, viz.

that all the choir of heaven and furniture of the earth, in a word all

those bodies which compose the mighty frame of the world, have not any

subsistence without a mind; that their _being_ is to be perceived or

known; that consequently so long as they are not actually perceived by me,

or do not exist in my mind, or that of any other created spirit, they must

either have no existence at all, or else subsist in the mind of some

Eternal Spirit: it being perfectly unintelligible, and involving all the

absurdity of abstraction, to attribute to any single part of them an

existence independent of a spirit. [(534)To be convinced of which, the

reader need only reflect, and try to separate in his own thoughts the

_being_ of a sensible thing from its _being perceived_.]

7. From what has been said it is evident there is not any other Substance

than _Spirit_, or that which perceives(535). But, for the fuller

proof(536) of this point, let it be considered the sensible qualities are

colour, figure, motion, smell, taste, and such like, that is, the ideas

perceived by sense. Now, for an idea to exist in an unperceiving thing is

a manifest contradiction; for to have an idea is all one as to perceive:

that therefore wherein colour, figure, and the like qualities exist must

perceive them. Hence it is clear there can be no unthinking substance or

_substratum_ of those ideas.

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8. But, say you, though the ideas themselves(537) do not exist without the

mind, yet there may be things like them, whereof they are copies or

resemblances; which things exist without the mind, in an unthinking

substance(538). I answer, an idea can be like nothing but an idea; a

colour or figure can be like nothing but another colour or figure. If we

look but never so little into our thoughts, we shall find it impossible

for us to conceive a likeness except only between our ideas. Again, I ask

whether those supposed _originals_, or external things, of which our ideas

are the pictures or representations, be themselves perceivable or no? If

they are, then _they_ are ideas, and we have gained our point: but if you

say they are not, I appeal to any one whether it be sense to assert a

colour is like something which is invisible; hard or soft, like something

which is intangible; and so of the rest.

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9. Some there are who make a distinction betwixt _primary_ and _secondary_

qualities(539). By the former they mean extension, figure, motion, rest,

solidity or impenetrability, and number; by the latter they denote all

other sensible qualities, as colours, sounds, tastes, and so forth. The

ideas we have of these last they acknowledge not to be the resemblances of

anything existing without the mind, or unperceived; but they will have our

ideas of the _primary qualities_ to be patterns or images of things which

exist without the mind, in an unthinking substance which they call Matter.

By Matter, therefore, we are to understand an inert(540), senseless

substance, in which extension, figure, and motion do actually subsist. But

it is evident, from what we have already shewn, that extension, figure,

and motion are only ideas existing in the mind(541), and that an idea can

be like nothing but another idea; and that consequently neither they nor

their archetypes can exist in an unperceiving substance. Hence, it is

plain that the very notion of what is called _Matter_ or _corporeal

substance_, involves a contradiction in it. [(542)Insomuch that I should

not think it necessary to spend more time in exposing its absurdity. But,

because the tenet of the existence of Matter(543) seems to have taken so

deep a root in the minds of philosophers, and draws after it so many ill

consequences, I choose rather to be thought prolix and tedious than omit

anything that might conduce to the full discovery and extirpation of that

prejudice.]

10. They who assert that figure, motion, and the rest of the primary or

original qualities(544) do exist without the mind, in unthinking

substances, do at the same time acknowledge that colours, sounds, heat,

cold, and suchlike secondary qualities, do not; which they tell us are

sensations, existing in the mind alone, that depend on and are occasioned

by the different size, texture, and motion of the minute particles of

matter(545). This they take for an undoubted truth, which they can

demonstrate beyond all exception. Now, if it be certain that those

_original_ qualities are inseparably united with the other sensible

qualities, and not, even in thought, capable of being abstracted from

them, it plainly follows that _they_ exist only in the mind. But I desire

any one to reflect, and try whether he can, by any abstraction of thought,

conceive the extension and motion of a body without all other sensible

qualities. For my own part, I see evidently that it is not in my power to

frame an idea of a body extended and moving, but I must withal give it

some colour or other sensible quality, which is acknowledged to exist only

in the mind. In short, extension, figure and motion, abstracted from all

other qualities, are inconceivable. Where therefore the other sensible

qualities are, there must these be also, to wit, in the mind and nowhere

else(546).

11. Again, _great_ and _small_, _swift_ and _slow_, are allowed to exist

nowhere without the mind(547); being entirely relative, and changing as

the frame or position of the organs of sense varies. The extension

therefore which exists without the mind is neither great nor small, the

motion neither swift nor slow; that is, they are nothing at all. But, say

you, they are extension in general, and motion in general. Thus we see how

much the tenet of extended moveable substances existing without the mind

depends on that strange doctrine of _abstract ideas_. And here I cannot

but remark how nearly the vague and indeterminate description of Matter,

or corporeal substance, which the modern philosophers are run into by

their own principles, resembles that antiquated and so much ridiculed

notion of _materia prima_, to be met with in Aristotle and his followers.

Without extension solidity cannot be conceived: since therefore it has

been shewn that extension exists not in an unthinking substance, the same

must also be true of solidity(548).

12. That _number_ is entirely the creature of the mind(549), even though

the other qualities be allowed to exist without, will be evident to

whoever considers that the same thing bears a different denomination of

number as the mind views it with different respects. Thus, the same

extension is one, or three, or thirty-six, according as the mind considers

it with reference to a yard, a foot, or an inch. Number is so visibly

relative, and dependent on men’s understanding, that it is strange to

think how any one should give it an absolute existence without the mind.

We say one book, one page, one line, &c.; all these are equally units,

though some contain several of the others. And in each instance, it is

plain, the unit relates to some particular combination of ideas

_arbitrarily_ put together by the mind(550).

13. Unity I know some(551) will have to be a simple or uncompounded idea,

accompanying all other ideas into the mind. That I have any such idea

answering the word _unity_ I do not find; and if I had, methinks I could

not miss finding it; on the contrary, it should be the most familiar to my

understanding, since it is said to accompany all other ideas, and to be

perceived by all the ways of sensation and reflexion. To say no more, it

is an _abstract idea_.

14. I shall farther add, that, after the same manner as modern

philosophers prove certain sensible qualities to have no existence in

Matter, or without the mind, the same thing may be likewise proved of all

other sensible qualities whatsoever. Thus, for instance, it is said that

heat and cold are affections only of the mind, and not at all patterns of

real beings, existing in the corporeal substances which excite them; for

that the same body which appears cold to one hand seems warm to another.

Now, why may we not as well argue that figure and extension are not

patterns or resemblances of qualities existing in Matter; because to the

same eye at different stations, or eyes of a different texture at the same

station, they appear various, and cannot therefore be the images of

anything settled and determinate without the mind? Again, it is proved

that sweetness is not really in the sapid thing; because the thing

remaining unaltered the sweetness is changed into bitter, as in case of a

fever or otherwise vitiated palate. Is it not as reasonable to say that

motion is not without the mind; since if the succession of ideas in the

mind become swifter, the motion, it is acknowledged, shall appear slower,

without any alteration in any external object(552)?

The Works of George Berkeley. Vol. 1 of 4: Philosophical Works, 1705-21 · 第 24 / 51 段