There is nothing on this earth more to be prized than true friendship.

Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.

Moral science is better occupied when treating of friendship than of justice.

Happiness is secured through virtue; it is a good attained by man's own will.

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

The things that we love tell us what we are.

Love takes up where knowledge leaves off.

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.

We can't have full knowledge all at once. We must start by believing; then afterwards we may be led on to master the evidence for ourselves.

Wonder is the desire for knowledge.

The knowledge of God is the cause of things. For the knowledge of God is to all creatures what the knowledge of the artificer is to things made by his art.

It is requisite for the relaxation of the mind that we make use, from time to time, of playful deeds and jokes.

If the highest aim of a captain were to preserve his ship, he would keep it in port forever.

Whatever is received is received according to the nature of the recipient.

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.

Most men seem to live according to sense rather than reason.

The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.

Faith has to do with things that are not seen and hope with things that are not at hand.

The principal act of courage is to endure and withstand dangers doggedly rather than to attack them.

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

Hold firmly that our faith is identical with that of the ancients. Deny this, and you dissolve the unity of the Church.