I 28 The soul necessarily Uving y

ternal, but generally in substances, unknowstconstitution of things; it will not followthat everything is separable from substances,which is not this real internal constitution,as he seems to take for granted. The pro-perties that immediately flow from the in-ternal constitution of things, are as insepara-ble from them, as that constitution itself;and we can as little conceive the thing with-out these properties, as without that consti-tution. Divisibility^ figure, magnitude, arenot the internal constitution of matter, butproperties necessarily flowing from it; andyet we can as little conceive matter withoutthese, as without its own internal constitu-tion ; that is, we can as little conceive itwithout these, as without substance. Thismust be so; for it is by these that we con-ceive jt at all to be a substance, or to have aninternal unknown constitution. And for alike reason, activity and perceptivity,by whichpowers alone we discover that there is a sub-stance different from matter, and which *Sthe necessary subject of their inhesion, mustbe in the mind, even previous to the inter-nal unknown constitution of that substance jA? necessarily as it, and with much more