BOOK I PART IV
ble, and divisible, as well as the body; which
is utterly absurd and contradictory. For can
any one conceive a passion of a yard in length,
a foot in breadth, and an inch in thickness?
Thought, therefore, and extension are qualities
wholly incompatible, and never can incorpo-
rate together into one subject.
This argument affects not the question con-
cerning the substance of the soul, but only that
concerning its local conjunction with matter;
and therefore it may not be improper to con-
sider in general what objects are, or are not sus-
ceptible of a local conjunction. This is a curious
question, and may lead us to some discoveries
of considerable moment.
The first notion of space and extension is de-
rived solely from the senses of sight and feel-
ing; nor is there any thing, but what is coloured