BOOK I PART IV
incomprehensible.
Secondly, It has been said, that we have no
idea of substance, which is not applicable to
matter; nor any idea of a distinct substance,
which is not applicable to every distinct por-
tion of matter. Matter, therefore, is not a mode
but a substance, and each part of matter is not a
distinct mode, but a distinct substance. I have
already proved, that we have no perfect idea of
substance; but that taking it for something, that
can exist by itself, it is evident every perception
is a substance, and every distinct part of a per-
ception a distinct substance: And consequently
the one hypothesis labours under the same dif-
ficulties in this respect with the other.
Thirdly, It has been objected to the system of
one simple substance in the universe, that this
substance being the support or substratum of