Date: 350 B.C.

"Suppose that the eye were an animal--sight would have been its soul, for sight is the substance or essence of the eye which corresponds to the formula, the eye being merely the matter of seeing; when seeing is removed the eye is no longer an eye, except in name"

— Aristotle (384-322 B.C.)

Date: 350 B.C.

"It is not necessary to ask whether the soul and its body are one, just as we do not ask about wax and its shape."

— Aristotle (384-322 B.C.)

Date: 350 B.C.

"What it thinks must be in it just as characters may be said to be on a writing-tablet on which as yet nothing actually stands written: this is exactly what happens with mind."

— Aristotle (384-322 B.C.)