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. (Quote by - Saint Thomas Aquinas)

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

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. (Quote by - Saint Thomas Aquinas)

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

Not everything that is more difficult is more meritorious. (Quote by - Saint Thomas Aquinas)

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

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

Beware of the person of one book. (Quote by - Saint Thomas Aquinas)

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. (Quote by - Saint Thomas Aquinas)

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

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

It is requisite for the relaxation of the mind that we make use, from time to time, of playful deeds and jokes. (Quote by - Saint Thomas Aquinas)

By nature all men are equal in liberty, but not in other endowments. (Quote by - Saint Thomas Aquinas)

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

A man has free choice to the extent that he is rational. (Quote by - Saint Thomas Aquinas)

Hold firmly that our faith is identical with that of the ancients. Deny this, and you dissolve the unity of the Church. (Quote by - Saint Thomas Aquinas)

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. (Quote by - Saint Thomas Aquinas)

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. (Quote by - Saint Thomas Aquinas)

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

Happiness is secured through virtue; it is a good attained by man's own will. (Quote by - Saint Thomas Aquinas)

If the highest aim of a captain were to preserve his ship, he would keep it in port forever. (Quote by - Saint Thomas Aquinas)

Love takes up where knowledge leaves off. (Quote by - Saint Thomas Aquinas)

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. (Quote by - Saint Thomas Aquinas)

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

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