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to be confusion : and where any ideas are distinct as the ideas of those two sounds they are marked by, there can be between them no confusion. The way to prevent it is to collect and unite into one complex idea, as precisely as is possible, all those ingredients whereby it is differenced from others; and to them, so united in a determinate number and order, apply steadily the same naine. But this neither accommodating inen's ease or vanity, or serving any design but that of naked truth, which is not always the thing aimed at, such exactness is rather to be wished than hoped for. And since the loose application of names to undetermined, variable, and almost no ideas, serves both to cover our, own ignorance, as well as to perplex and confound others, which goes for learning and superiority in knowledge, it is no wonder that most men should use, it themselves, whilst they complain of it in others. Though, I think, no small part of the confusion to be found in the notions of men might by care and ingenuity be avoided, yet I am far from concluding it every-where wilful. Some ideas are so complex, and made up of so many parts, that the memory does not easily retain the very same precise combination of simple ideas under one name; much less are we able constantly to divine for what precise complex idea such a name stands in another man's use of it. l'rom the first of these, follows confusion in a man's own reasonings and opinions within himself; from the latter, frequent confusion in discoursing and arguing with others. But having more at large treated of words, their defects and abuses, in the following book, I shall here say no more of it. §. 13. Our complex ideas being made up Complex
ideas may be of collections, and so variety of simple ones,
distinct in may accordingly be very clear and distinct
one part, and in one part, and very obscure and confused confused in in another. In a man who speaks of a another, chiliaedron, or a body of a thousand sides, the ideas of the figure may be very confused, though that of the number be very distinct; so that he being able to discourse and demonstrate concerning that part Сс 3
of his complex idea, which depends upon the number of a thousand, he is apt to think he has a distinct idea of a chiliaedron; though it be plain he has no precise idea of its figure, so as to distinguish it by that, from one that has but 999 sides; the not observing whereof causes no small crrour in men's thoughts, and confusion in their discourses. This, if not
$. 14. He that thinks he has a distinct heeded, idea of the figure of a chiliaedron, let hiin causes confu. for trial-sake. take another parcel of the son in our
same uniform malter, viz. gold, or wax, arguings.
of an equal bulk, and make it into a figure of 999 sides; he will, I doubt not, be able to distinguish these two ideas one from another, by the number of sides; and reason and argue distincıly about them, whilst he keeps his thoughts and reasoning to that part only of these ideas, which is contained in their numbers; as that the sides of the one could be divided into two equal numbers, and of the others not, &c. But when he goes about to distinguish them by their figure, he will there be presently at a loss, and not be able, I think, to frame in his inind two ideas, one of them distinct from the other, by the bare figure of these two pieces of gold; as he could, if the same parcels of gold were made one into a cube, the other a figure of five sides. In which incompleat ideas, we are very apt to impose on ourselves, and wrangle with others, especially where they have particular and familiar names. For being satisfied in that part of the idea, which we have clear; and the name which is fainiliar to us, being applied to the whole, containing that part also which is imper--fect and obscure: we are apt to use it for that confused part, and draw deductions from it, in the allscure part of its signisication, as confidently as we do from the other.
$. 15. Having frequently in our mouths Instance in eternity.
the name cternity, we are apt to think we
have a positive comprehensive idea of it, which is as much as to say, that there is no part of that 'ion which is not clearly contained in our idea that he that thinks so may have a clear idea of
duration; he may also have a very clear idea of a very great length of duration; he may also have a clear idea of the comparison of that great one with still a greater : but it not being possible for him to include in his idea of any duration, tot it be as great as it will, the whole extent together of a duration, where he supposes no end, that part of his idea, which is still beyond the bounds of that large duration, he represents to his own thoughts, is very obscure and undetermined. And hence it is that in disputes and reasonings concerning eternity, or any other infinite, we are apt to blunder, and involve ourselves in manifest absurdities.
5. 16. In matter we have no clear ideas Divisibility of the smallness of parts much beyond the of matter. smallest that occur to any of our senses : and therefore when we talk of the divisibility of matter in infinitum, though we have clear ideas of division and divisibility, and have also clear ideas of parts made out of a whole by division; yet we have but very obi scure and confused ideas of corpuscles, or minute bodies so to be divided, when by former divisions they are reduced to a smallness much exceeding the perception of any of our senses; and so all that we have clear and distinct ideas of, is of what division in general or abstractedly is, and the relation of totum and parts: but of the bulk of the body, to be thus infinitely divided after certain progressions, I think, we have no clear nor distinct idea at all. For I ask any one, whether taking the smallest atom-of dust he ever saw, he has any distinct idea (batiny still the number, which concerns not extension) betwixt the 100,000th, and the 1,000,000th part of it. Or if he thin.3 le can refine his ideas to that degree, without losing sight of them, let him add ten cyphers to each of those numbers. Such a degree of smallness is not unreasonable to be supposed, since a division carried on so far brings it no nearer the end of infinite division, than the first division into two halves does. I must confess, for my part, I have no clear distinct ideas of the different bulk or extension of those bodies, having but a very obscure one of either of them. So that, I think, when we talk of division of bodies in infinitum, our idea of their Cc4
distinct bulks, which is the subject and foundation of division, comes, after a little progression, to be confounded, and almost lost in obscurity. For that idea, which is to represent only bigness, must be very obscure and confused, which we cannot distinguish from one ten times as big, but only by number; so that we have clear distinct ideas, we inay say, of ten and one, but no distinct ideas of two such extensions. It is plain from hence, that when we talk of intinite divisibility of body, or extension, our distinct and clear ideas are only of numbers; but the clear distinct ideas of extension, after some progress of division, are quite løst : and of such minute parts we have no distinct ideas at all : but it rcturus, as all our ideas of intinite do, at last to that of number always to be added; but thereby never amounts to any distinct idea of actual infinite parts. We have, it is true, a clear idea of division, as often as we think of it; but thereby we have no more a clear idea of infinite parts in maiter, than we have a clear idea of an infinite number, by being able still to add new numbers to any assigned numbers we have: endless divisibility giving us no more a clear and distinct idea of actually infinite parts, than endless addibility (if I may so speak) gives us a clear and distinct idea of an actually intinite number; they both being only in a power still of increasing the number, be it already as great as it will. So that of what remains to be added (wherein consists the infinity) we bare but an obscure, imperfect, and confused idea ; tiom or about which we can argue or reason with no certainty or clearness, no more than we can in arithmetick, about a number of which we have no such distinct idea as we have of 4 or 100; but only this rela. tive obscure one, that compared to any other, it is still bigger: and we have no more a clear positive idea of it when we say or conceive it is bigger, or more than 400,000,000, than it we should say it is bigger than 40,
or 4; 400,000,000 having no nearer a proportion to the end of addition, or number, than 4. For he that adds only 4 to 4, and so proceeds, shall as soon come to the end of all addition, as he that adds 400,000,000
to 400,000,000. And so likewise in eternity, he that has an idea of but four years, has as much a positive coñplete idea of eternity, as he that has one of 400,000,000 of years : for what remains of eternity beyond either of these two numbers of years is as clear w the one as the other; i. e, neither of them has any clear positive idea of it at all. For he that adds only tour years to 4, and so on, shall as soon reach eternity, as be that adds 400,000,000 of years, and so on; or, it he please, doubles the increase as often as he will: the remaining abyss being still as far beyond the end of all these progressions, as it is from the length of a day or an hour. l'or nothing finite bears any proportion to infinite; and therefore our ideas, which are all tinite, cannot bear any. Thus it is also in our idea of extension, when we increase it by addition, as well as when we diminish it by division, and would enlarge our thoughts to infinite space. After a few doublings of those ideas of extension, which are the largest we are accustomed to have, we lose the clear distinct idea of that space: it becomes a confusedly great one, with a surplus of still greater; about which, wlien we would argue or reason, we shall always find ourselves at a loss; confused ideas in our arguings and deductions from that part of them which is confused always leading us into confusion.
CH A P. XXX.
Of Real and Funtastical Ideas,
mentioned concerning ideas, other are conform. considerations belong to them, in refer- able to their ence to things from wbence they are taken,
archetypes. or which they may be supposed to represent: and thus, I think, they may come under a threefold distinction;
First, either real or fantastical.