Date: 1721, 1722

"Nature, industriously favourable to men, hath not bounded itself in giving desires to men, she was willing that we should have them too, and that we should be the animated instruments of their felicity: she hath put in us the flame of the passions, to make them live easy."

— Charles-Louis de Secondat, Baron de La Brède et de Montesquieu (1689-1755)

Date: 1721, 1722

"I think myself almost annihilated; and I do not become sensible of my existence, till a dismal jealousy comes to kindle and produce in my heart, fear, suspicions, hatred and regret."

— Charles-Louis de Secondat, Baron de La Brède et de Montesquieu (1689-1755)

Date: 1748, 1749

"Without proper food the soul languishes, raves, and dies with faintness. It is like a taper, which revives in the moment it is going to be extinguished."

— Julien Offray de La Mettrie (1709-1751)