The idea, therefore, of place we have by the same means that we
get the idea of space, (whereof this is but a particular limited
consideration,) viz, by our sight and touch; by either of which we
receive into our minds the ideas of extension or distance.
11. Extension and body not the same. There are some that would
persuade us, that body and extension are the same thing, who either
change the signification of words, which I would not suspect them of,-
they having so severely condemned the philosophy of others, because it
hath been too much placed in the uncertain meaning, or deceitful
obscurity of doubtful or insignificant terms. If, therefore, they mean
by body and extension the same that other people do, viz. by body
something that is solid and extended, whose parts are separable and
movable different ways; and by extension, only the space that lies
between the extremities of those solid coherent parts, and which is
possessed by them,- they confound very different ideas one with
another; for I appeal to every man's own thoughts whether the idea
of space be not as distinct from that of solidity, as it is from the
idea of scarlet colour? It is true, solidity cannot exist without
extension, neither can scarlet colour exist without extension, but
this hinders not, but that they are distinct ideas.
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