Portrait of Thomas Aquinas

Thomas Aquinas

Catholic philosopher and theologian

Medieval influential 54 sayings

Sayings by Thomas Aquinas

The natural order among men is that women should be subject to men.

c. 1265-1274 — Commentary on 1 Corinthians, Chapter 11, Lecture 4
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It is lawful to kill an enemy in a just war.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 40, Art. 3
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A slave is an instrument of his master, and is his property.

c. 1269-1272 — Commentary on Aristotle's Politics, Book I, Lecture 4
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The children of slaves are slaves by birth.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 57, Art. 4
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If a man commits the sin of sodomy, he is to be put to death.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 154, Art. 12
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The sin against nature is the most grievous of sins.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 154, Art. 11
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The act of generation is more noble than the act of nutrition.

c. 1259-1265 — Summa Contra Gentiles, Book III, Chapter 126
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It is lawful to deceive the enemy in a just war.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 40, Art. 3
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It is lawful to take usury from Jews.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 78, Art. 2
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It is lawful to kill a thief who is resisting arrest.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 64, Art. 7
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It is lawful to swear by God, provided it be for a just cause.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 89, Art. 1
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The state has the right to suppress heresy by force.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 11, Art. 3
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The natural law dictates that men should rule over women.

c. 1252-1256 — Commentary on the Sentences, Book 2, d. 20, q. 1, a. 1, ad 2
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It is lawful to kill a man who is a public sinner and incorrigible.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 64, Art. 2
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