Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1841 edition. Excerpt: ...cannot but be the effect of that power. So the paper I write on, having the power, in the light, (1 speak according to the common notion of light, ) to produce in me the sensation which I call white, it cannot but be the effect of such a power in something without the mind; since the mind has not the power to produce any such idea in itself, and being meant for nothing else but the effect of such a power, that simple idea is real and adequate. The sensation of white, in my mind, being the effect of that power, which is in the paper to produce it, it is perfectly adequate to that power; or else that power would produce a different idea. 13. Ideas of substances are Ikttwo, inadequate.--Secondly, The complex ideas of substances, are ectypes, copies too; but not perfect ones, not adequate: which is very evident to the mind, in that it plainly perceives, that whatever collection of simple ideas it makes of any substance that exists, it cannot be sure that it exactly answers all that are in that substance: since not having tried all the operations of all other substances upon it, and found all the alterations it would receive from, or cause in, other substances, it cannot have an exact adequate collection of all its active and passive capacities; and so not have an adequate complex idea of the powers of any substance existing, and its relations, which is that sort of complex idea of substances we have. And, after all, if ve would have, and actually had in our complex idea, an exact collection of all the secondary qualities or powers of any substance, we should not yet thereby have an idea of the essence of that thing. For since the powers or qualities, that are observable by us are not the real essence of that substance, but depend on it, and..