Date: 1699, 1714

"In the same manner, the sensible and living Part, the Soul or Mind, wanting its proper and natural Exercise, is burden'd and diseas'd."

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

Date: 1699, 1714

"The parts and proportions of the mind, their mutual relation and dependency, the connection and frame of those passions which constitute the soul or temper, may easily be understoof by anyone who thinks it worth his while to study this inward anatomy."

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

Date: 1708, 1714

"They are certainly as ill Physicians in the Body-Politick, who wou'd needs be tampering with these mental Eruptions; and under the specious pretence of healing this Itch of Superstition, and saving Souls from the Contagion of Enthusiasm, shou'd set all Nature in an uproar, and turn a few innocen...

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

Date: 1709, 1714

"'Tis the same with Understandings as with Eyes: To such a certain Size and Make just so much Light is necessary, and no more. Whatever is beyond, brings Darkness and Confusion."

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

Date: 1709, 1714

"Nor is it a wonder that Men are generally such faint Reasoners, and care so little to argue strictly on any trivial Subject in Company; when they dare so little exert their Reason in greater Matters, and are forc'd to argue lamely, where they have need of the greatest Activity and Strength. The ...

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

Date: 1710, 1714

"You would wonder to hear how close he pushes matters and how thoroughly he carries on the business of self-dissection. By virtue of this soliloquy, he becomes two distinct persons. He is pupil and preceptor. He teaches and he learns."

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

Date: 1710, 1714

"It must be such and such an Understanding; as when we say, for instance, such or such a Face: since Nature has characteriz'd Tempers and Minds as peculiarly as Faces."

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

Date: 1710, 1714

The Parallel is easily made on the side of Writers. They have at least as much need of learning the several Motions, Counterpoises and Ballances of the Mind and Passions, as the other Students those of the Body and Limbs."

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

Date: February 1791

"The mind, in discovering truth, acts in the same manner as it acts through the eye in discovering objects; when once any object has been seen, it is impossible to put the mind back to the same condition it was in before it saw it."

— Paine, Thomas (1737-1809)

Date: 1793

"The tendency of all false systems of political institution is to render the mind lethargic and torpid."

— Godwin, William (1756-1836)