Date: 1637

"I supposed, too, that in the beginning God did not place in this body any rational soul or any other thing to serve as a vegetative or sensitive soul, but rather that he kindled in its heart one of those fires without light which I had already explained, and whose nature I understood to be no di...

— Descartes, René (1596-1650)

Date: 1641

"But if the entire soul is something of this kind, why should you, who may be thought of as the noblest part of the soul, not be regarded as being, so to speak, the flower, or the most refined and pure and active part of it?"

— Gassendi, Pierre (1592-1655)

Date: 1652

"And truly he might as well phansie such implanted Ideas, such seeds of light in his external eye, as such seminal principles in the eye of the minde."

— Culverwell, Nathanael (bap. 1619, d. 1651)