Date: 1747-8

"Because a woman's heart may be at one time adamant, at another wax."

— Richardson, Samuel (bap. 1689, d. 1761)

Date: 1752

"His Mind was formed of those firm Materials, of which Nature formerly hammered out the Stoic, and upon which the Sorrows of no Man living could make an Impression. "

— Fielding, Henry (1707-1754)

Date: 1761

"Did not your master Plato maintain, that all the art of man, that all philosophy could not extract from the human mind what nature had not implanted there; as all the operations in chemistry are incapable of extracting from any mixture more gold than is already contained in it?"

— Rousseau, Jean-Jacques (1712-1778); Kenrick, William (1729/30-1779)

Date: 1768

"Ye whose clay-cold heads and luke-warm hearts can argue down or mask your passions, tell me, what trespass is it that man should have them?"

— Sterne, Laurence (1713-1768)