Thomas Aquinas

Catholic philosopher and theologian

Medieval influential 134 sayings

Sayings by Thomas Aquinas

No man can be justified without faith.

c. 1265-1274 — Summa Theologica, Part I-II, Q. 113, Art. 4
Controversial Unverifiable

The end of man is happiness.

c. 1265-1274 — Summa Theologica, Part I-II, Q. 1, Art. 7
Controversial Unverifiable

The proper good of a thing is its perfection.

c. 1265-1274 — Summa Theologica, Part I-II, Q. 18, Art. 2
Controversial Unverifiable

Concupiscence is a disorder of the appetite.

c. 1265-1274 — Summa Theologica, Part I-II, Q. 30, Art. 3
Controversial Unverifiable

The act of generation is natural to man.

c. 1259-1265 — Summa Contra Gentiles, Book III, Chapter 122
Controversial Unverifiable

It is a greater sin to steal from a rich man than from a poor man.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 66, Art. 6, Reply Obj. 3 (This is a nuanced point referring to the …
Controversial Unverifiable

The punishment of the wicked is for the good of the just.

c. 1259-1265 — Summa Contra Gentiles, Book III, Chapter 146
Controversial Unverifiable

The perfection of human life consists in the knowledge of God.

c. 1259-1265 — Summa Contra Gentiles, Book III, Chapter 25
Controversial Unverifiable

The proper act of justice is to render to each one what is his own.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 58, Art. 1
Controversial Unverifiable

The form of the human body is the soul.

c. 1265-1274 — Summa Theologica, Part I, Q. 76, Art. 1
Controversial Unverifiable

It is impossible for any created intellect to comprehend God.

c. 1265-1274 — Summa Theologica, Part I, Q. 12, Art. 7
Controversial Unverifiable

The intellect is perfected by truth, and the will by good.

c. 1265-1274 — Summa Theologica, Part I, Q. 82, Art. 2
Controversial Unverifiable

The principal act of prudence is counsel.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 47, Art. 8
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There are three kinds of good in marriage: faith, offspring, and sacrament.

c. 1259-1265 — Summa Contra Gentiles, Book III, Chapter 123
Controversial Unverifiable

A man is bound to prefer the good of the community to his own good.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 47, Art. 10
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The proper object of the will is the good.

c. 1265-1274 — Summa Theologica, Part I, Q. 82, Art. 2
Controversial Unverifiable

The existence of God is a self-evident truth, but not to us.

c. 1265-1274 — Summa Theologica, Part I, Q. 2, Art. 1
Controversial Unverifiable

The order of charity requires that we should love our parents more than our children.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 26, Art. 9
Controversial Unverifiable

The end of government is the common good.

c. 1265-1267 — De Regimine Principum, Book I, Chapter 1
Controversial Unverifiable

The virtue of chastity is a part of temperance.

c. 1265-1274 — Summa Theologica, Part II-II, Q. 151, Art. 1
Controversial Unverifiable