Date: 1670

"Thus, like a captive in an isle confined, / Man walks at large, a prisoner of the mind."

— Dryden, John (1631-1700)

Date: January 16, 1717

"Madam, excuse this Absence of Mind; my animal Spirits had deserted the Avenues of my Senses, and retired to the Recesses of the Brain, to contemplate a beautiful Idea. I could not force the vagrant Creatures back again into their Posts, to move those Parts of the Body that express Civility."

— Gay, John (1685-1732); Pope, Alexander (1688-1744); Arbuthnot, John (bap. 1677, d. 1735)

Date: 1724

"That fiery thought / Glows in my breast; and as I weigh my wrongs, / I swell like Ætna, when her sulph'rous rage / Bursts o'er the earth, and rolls in floods of fire."

— Savage, Richard (1697/8-1743)

Date: 1724

"When all at once / A thousand anxious Thoughts that slept by Day, / Swarm'd in my Brain, 'till it resembled Hell, / Hot, dark and hot: my sick Imagination, / Assisted by the Shades of Night, would give / A gloomy turn to each Idea there."

— Jeffreys, George (1678-1755)

Date: 1745

"Ha! my Brain / Is all on fire! a wild Abyss of Thought!"

— Thomson, James (1700-1748)