All that is true, by whomsoever it has been said has its origin in the Spirit.
- Saint Thomas Aquinas Quote

All the efforts of the human mind cannot exhaust the essence of a single fly.
- Saint Thomas Aquinas Quote

As regards the individual nature, woman is defective and misbegotten, for the active power of the male seed tends to the production of a perfect likeness in the masculine sex; while the production of a woman comes from defect in the active power.
- Saint Thomas Aquinas Quote

Because of the diverse conditions of humans, it happens that some acts are virtuous to some people, as appropriate and suitable to them, while the same acts are immoral for others, as inappropriate to them.
- Saint Thomas Aquinas Quote

Because philosophy arises from awe, a philosopher is bound in his way to be a lover of myths and poetic fables. Poets and philosophers are alike in being big with wonder.
- Saint Thomas Aquinas Quote

Better to illuminate than merely to shine, to deliver to others contemplated truths than merely to contemplate.
- Saint Thomas Aquinas Quote

Faith has to do with things that are not seen and hope with things that are not at hand.
- Saint Thomas Aquinas Quote

Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.
- Saint Thomas Aquinas Quote

Good can exist without evil, whereas evil cannot exist without good.
- Saint Thomas Aquinas Quote

How can we live in harmony? First we need to know we are all madly in love with the same God.
- Saint Thomas Aquinas Quote

How is it they live in such harmony the billions of stars - when most men can barely go a minute without declaring war in their minds about someone they know.
- Saint Thomas Aquinas Quote

Human salvation demands the divine disclosure of truths surpassing reason.
- Saint Thomas Aquinas Quote

If forgers and malefactors are put to death by the secular power, there is much more reason for excommunicating and even putting to death one convicted of heresy.
- Saint Thomas Aquinas Quote

If, then, you are looking for the way by which you should go, take Christ, because He Himself is the way.
- Saint Thomas Aquinas Quote

In order for a war to be just, three things are necessary. First, the authority of the sovereign. Secondly, a just cause. Thirdly, a rightful intention.
- Saint Thomas Aquinas Quote

It is clear that he does not pray, who, far from uplifting himself to God, requires that God shall lower Himself to him, and who resorts to prayer not to stir the man in us to will what God wills, but only to persuade God to will what the man in us wills.
- Saint Thomas Aquinas Quote

It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us.
- Saint Thomas Aquinas Quote

Justice is a certain rectitude of mind whereby a man does what he ought to do in the circumstances confronting him.
- Saint Thomas Aquinas Quote

Law; an ordinance of reason for the common good, made by him who has care of the community.
- Saint Thomas Aquinas Quote

Man cannot live without joy; therefore when he is deprived of true spiritual joys it is necessary that he become addicted to carnal pleasures.
- Saint Thomas Aquinas Quote

Man should not consider his material possession his own, but as common to all, so as to share them without hesitation when others are in need.
- Saint Thomas Aquinas Quote

Moral science is better occupied when treating of friendship than of justice.
- Saint Thomas Aquinas Quote

Perfection of moral virtue does not wholly take away the passions, but regulates them.
- Saint Thomas Aquinas Quote

Reason in man is rather like God in the world.
- Saint Thomas Aquinas Quote

Temperance is simply a disposition of the mind which binds the passion.
- Saint Thomas Aquinas Quote

That the saints may enjoy their beatitude and the grace of God more abundantly they are permitted to see the punishment of the damned in hell.
- Saint Thomas Aquinas Quote

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.
- Saint Thomas Aquinas Quote

The test of the artist does not lie in the will with which he goes to work, but in the excellence of the work he produces.
- Saint Thomas Aquinas Quote

The things that we love tell us what we are.
- Saint Thomas Aquinas Quote

There is but one Church in which men find salvation, just as outside the ark of Noah it was not possible for anyone to be saved.
- Saint Thomas Aquinas Quote

There is nothing on this earth more to be prized than true friendship.
- Saint Thomas Aquinas Quote

Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.
- Saint Thomas Aquinas Quote

To bear with patience wrongs done to oneself is a mark of perfection, but to bear with patience wrongs done to someone else is a mark of imperfection and even of actual sin.
- Saint Thomas Aquinas Quote

To live well is to work well, to show a good activity.
- Saint Thomas Aquinas Quote

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
- Saint Thomas Aquinas Quote

Well-ordered self-love is right and natural.
- Saint Thomas Aquinas Quote

Whatever is received is received according to the nature of the recipient.
- Saint Thomas Aquinas Quote