Date: 1690, 1694, 1695, 1700, 1706

"The floating of other mens Opinions in our brains, makes us not one jot the more knowing, though they happen to be true."

— Locke, John (1632-1704)

Date: 1691

"As the Eyes are the Windows to let in the Species of all exterior Objects into the dark Cels of the Brain, for the information of the Soul; so are they flaming Torches to reveal to those abroad how the Soul within is moved or affected."

— Ray [formerly Wray], John (1627–1705)

Date: 1694

"If Man would understand the Excellency of the Soul, as far as it is capable of comprehending it self, let him, after serious Recollection, descend into himself, and search diligently his own Mind, and there he shall find so many admirable Gifts, and excellent Ornaments."

— Aristotle [pseud.]

Date: 1698

"He can't be assured the same Colours of Reason and Desire will last. Any little Accident from without may metamorphose his Fancy, and push him upon a new set of Thoughts."

— Collier, Jeremy (1650-1726)

Date: 1708, 1714

"The Human Mind and Body are both of 'em naturally subject to Commotions: and as there are strange Ferments in the Blood, which in many Bodys occasion an extraordinary discharge; so in Reason too, there are heterogeneous Particles which must be thrown off by Fermentation."

— Cooper, Anthony Ashley, third earl of Shaftesbury (1671-1713)

Date: 1708, 1714

"Methinks, my Lord, it wou'd be well for us, if before we ascended into the higher Regions of Divinity, we wou'd vouchsafe to descend a little into ourselves, and bestow some poor Thoughts upon plain honest Morals."

— Cooper, Anthony Ashley, third earl of Shaftesbury (1671-1713)

Date: April 26, 1695; 1708

"Meditating by one's self is like digging in the Mine; it often, perhaps, brings up maiden Earth, which never came near the Light before; but whether it contain any Metal in it, is never so well tried as in Conversation with a knowing judicious Friend, who carries about him the true Touch-stone, ...

— Locke, John (1632-1704)

Date: March 30, 1696; 1708

"Nay, I so far incline to comply with your Desires, that I every now and then lay by some Materials for it, as they occasionally occur in the Rovings of my Mind."

— Locke, John (1632-1704)

Date: June 15, 1697; 1708

"Do but think then what a Pleasure, what an Advantage it would be to me, to have you by me, who have so much Thought, so much Clearness, so much Penetration, all directed to the same Aim which I propose to my self, in all the Ramblings of my Mind."

— Locke, John (1632-1704)

Date: September 6, 1695; 1708

"Mr. Molyneux's ingenious Question, of which you gave me an Account at Mr. Lukey's Yesterday, has run so much in my Mind ever since, that I could scarce drive it out of my Thoughts."

— Synge, Edward (1659-1741)