An Essay Concerning Humane Understanding, Volume I.


Page 73 of 106



74. Active and passive power, in motions and in thinking.

True notions concerning the nature and extent of LIBERTY are of so great importance, that I hope I shall be pardoned this digression, which my attempt to explain it has led me into. The ideas of will, volition, liberty, and necessity, in this Chapter of Power, came naturally in my way. In a former edition of this Treatise I gave an account of my thoughts concerning them, according to the light I then had. And now, as a lover of truth, and not a worshipper of my own doctrines, I own some change of my opinion; which I think I have discovered ground for. In what I first writ, I with an unbiassed indifferency followed truth, whither I thought she led me. But neither being so vain as to fancy infallibility, nor so disingenuous as to dissemble my mistakes for fear of blemishing my reputation, I have, with the same sincere design for truth only, not been ashamed to publish what a severer inquiry has suggested. It is not impossible but that some may think my former notions right; and some (as I have already found) these latter; and some neither. I shall not at all wonder at this variety in men’s opinions: impartial deductions of reason in controverted points being so rare, and exact ones in abstract notions not so very easy especially if of any length. And, therefore, I should think myself not a little beholden to any one, who would, upon these or any other grounds, fairly clear this subject of LIBERTY from any difficulties that may yet remain.

75. Summary of our Original ideas.

And thus I have, in a short draught, given a view of OUR ORIGINAL IDEAS, from whence all the rest are derived, and of which they are made up; which, if I would consider as a philosopher, and examine on what causes they depend, and of what they are made, I believe they all might be reduced to these very few primary and original ones, viz. EXTENSION, SOLIDITY, MOBILITY, or the power of being moved; which by our senses we receive from body: PERCEPTIVITY, or the power of perception, or thinking; MOTIVITY, or the power of moving: which by reflection we receive from OUR MINDS.

I crave leave to make use of these two new words, to avoid the danger of being mistaken in the use of those which are equivocal.

To which if we add EXISTENCE, DURATION, NUMBER, which belong both to the one and the other, we have, perhaps, all the original ideas on which the rest depend. For by these, I imagine, might be EXPLAINED the nature of colours, sounds, tastes, smells, and ALL OTHER IDEAS WE HAVE, if we had but faculties acute enough to perceive the severally modified extensions and motions of these minute bodies, which produce those several sensations in us. But my present purpose being only to inquire into the knowledge the mind has of things, by those ideas and appearances which God has fitted it to receive from them, and how the mind comes by that knowledge; rather than into their causes or manner of Production, I shall not, contrary to the design of this Essay, see myself to inquire philosophically into the peculiar constitution of BODIES, and the configuration of parts, whereby THEY have the power to produce in us the ideas of their sensible qualities. I shall not enter any further into that disquisition; it sufficing to my purpose to observe, that gold or saffron has power to produce in us the idea of yellow, and snow or milk the idea of white, which we can only have by our sight without examining the texture of the parts of those bodies or the particular figures or motion of the particles which rebound from them, to cause in us that particular sensation, though, when we go beyond the bare ideas in our minds and would inquire into their causes, we cannot conceive anything else to be in any sensible object, whereby it produces different ideas in us, but the different bulk, figure, number, texture, and motion of its insensible parts.








CHAPTER XXII.—OF MIXED MODES.

1. Mixed Modes, what.

Having treated of SIMPLE MODES in the foregoing chapters, and given several instances of some of the most considerable of them, to show what they are, and how we come by them; we are now in the next place to consider those we call MIXED MODES; such are the complex ideas we mark by the names OBLIGATION, DRUNKENNESS, a LIE, &c.; which consisting of several combinations of simple ideas of DIFFERENT kinds, I have called mixed modes, to distinguish them from the more simple modes, which consist only of simple ideas of the SAME kind. These mixed modes, being also such combinations of simple ideas as are not looked upon to be characteristical marks of any real beings that have a steady existence, but scattered and independent ideas put together by the mind, are thereby distinguished from the complex ideas of substances.

2. Made by the Mind.

That the mind, in respect of its simple ideas, is wholly passive, and receives them all from the existence and operations of things, such as sensation or reflection offers them, without being able to MAKE any one idea, experience shows us. But if we attentively consider these ideas I call mixed modes, we are now speaking of, we shall find their origin quite different. The mind often exercises an ACTIVE power in making these several combinations. For, it being once furnished with simple ideas, it can put them together in several compositions, and so make variety of complex ideas, without examining whether they exist so together in nature. And hence I think it is that these ideas are called NOTIONS: as they had their original, and constant existence, more in the thoughts of men, than in the reality of things; and to form such ideas, it sufficed that the mind put the parts of them together, and that they were consistent in the understanding without considering whether they had any real being: though I do not deny but several of them might be taken from observation, and the existence of several simple ideas so combined, as they are put together in the understanding. For the man who first framed the idea of HYPOCRISY, might have either taken it at first from the observation of one who made show of good qualities which he had not; or else have framed that idea in his mind without having any such pattern to fashion it by. For it is evident that, in the beginning of languages and societies of men, several of those complex ideas, which were consequent to the constitutions established amongst them, must needs have been in the minds of men before they existed anywhere else; and that many names that stood for such complex ideas were in use, and so those ideas framed, before the combinations they stood for ever existed.

3. Sometimes got by the Explication of their Names.

Indeed, now that languages are made, and abound with words standing for such combinations, an usual way of GETTING these complex ideas is, by the explication of those terms that stand for them. For, consisting of a company of simple ideas combined, they may, by words standing for those simple ideas, be represented to the mind of one who understands those words, though that complex combination of simple ideas were never offered to his mind by the real existence of things. Thus a man may come to have the idea of SACRILEGE or MURDER, by enumerating to him the simple ideas which these words stand for; without ever seeing either of them committed.



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