Date: 1273

"Therefore the consent to a sinful act always proceeds from the higher reason: because, as Augustine says (De Trin. xii, 12), 'the mind cannot effectively decide on the commission of a sin, unless by its consent, whereby it wields its sovereign power of moving the members to action, or of restrai...

— St. Thomas Aquinas (1225-1274)

Date: 1273

"On the contrary, Augustine proves (De Lib. Arb. i, 11) that 'nothing else than his own will makes man's mind the slave of his desire.'"

— St. Thomas Aquinas (1225-1274)

Date: 1273

"Further, whoever sins mortally, becomes the slave of the devil, according to Jn. 8:34: 'Whosoever committeth sin is the slave of sin.'"

— St. Thomas Aquinas (1225-1274)

Date: 1319

"Only two men of all // Are truly just--whose words the rest ignore, / For the triple sparks of envy, greed, and pride / Ignite their hearts."

— Dante, Alighieri (1265-1321)

Date: 1380-1387

"Thus gan he make a mirour of his minde, / In which he saugh al hoolly hir figure."

— Chaucer, Geoffrey (c. 1340-1400)

Date: 1384

"O Thought, that wroot al that I mette, / And in the tresorie hit shette / Of my brayn!"

— Chaucer, Geoffrey (c. 1340-1400)

Date: 1386-1400

"That oon of hem was blynd and myghte not see, / But it were with thilke eyen of his mynde / With whiche men seen, after that they ben blynde."

— Chaucer, Geoffrey (c. 1340-1400)

Date: 1389

"The soule ... muste suffre for the bonde of the body that he is joyned to."

— Trevisa, John (b. c. 1342, d. in or before 1402); Bartholomeus (1203-1272)

Date: 1389

"Remigius diffineth a soule in this manere: a soule is a bodiles substaunce reulinge a body."

— Trevisa, John (b. c. 1342, d. in or before 1402); Bartholomeus (1203-1272)

Date: 1389

"The innere witte is departed a þre by þre regiouns of þe brayn, for in þe brayne beþ þre smale celles."

— Trevisa, John (b. c. 1342, d. in or before 1402); Bartholomeus (1203-1272)