Date: 1642

"The heart of man is the place the Devils dwell in: I feel sometimes a Hell within my self; Lucifer keeps his Court in my breast, Legion is revived in me."

— Browne, Sir Thomas (1605-1682)

Date: 1644, 1647

"It must be realized that the human soul, while informing the entire body, nevertheless has its principal seat in the brain."

— Descartes, René (1596-1650)

Date: 1647

"False Coin with which th'Impostor cheats us still; / The Stamp and Colour good, but Metal ill!"

— Cowley, Abraham (1618-1667)

Date: 1648

"Thus all common notions which are engraved in the mind have their origin in observation of things or in verbal instruction."

— Descartes, René (1596-1650)

Date: 1649

"But since humane flesh (that king of Beasts) began to delight himself in the objects of the Creation, more then in the Spirit Reason and Righteousness, who manifests himself to be the indweller in the Five Sences, of Hearing, Seeing, Tasting, Smelling, Feeling; then he fell into blindness of min...

— William Everard, John Palmer, John South, John Courton. William Taylor, Christopher Clifford, John Barker, Ferrard Winstanley, Richard Goodgroome, Thomas Starre, William Hoggrill, Robert Sawyer, Thomas Eder, Henry Bickerstaffe, John Taylor, &c,

Date: 1650

A kiss "May th'image of each mind expresse / As perfect as the wax the seal"

— Heath, Robert (bap. 1620, d. in or after 1685)

Date: 1651, 1668

"And therefore of absurd and false affirmations, in case they be universal, there can be no understanding, though many think they understand them, when they do but repeat the words softly, or con them in their mind."

— Hobbes, Thomas (1588-1679)

Date: 1651, 1668

"This decaying sense, when we would express the thing itself (I mean fancy itself), we call imagination, as I said before; but when we would express the decay, and signify that the sense is fading, old, and past, it is called memory."

— Hobbes, Thomas (1588-1679)

Date: 1651, 1668

"When a body is once in motion, it moveth (unless something else hinders it) eternally; and whatsoever hindreth it, cannot in an instant, but in time and by degrees, quite extinguish it"

— Hobbes, Thomas (1588-1679)

Date: 1651, 1668

"Again, from thence, his thoughts run over the same places and times, to find what action, or other occasion might make him lose it."

— Hobbes, Thomas (1588-1679)