The aim of the wise is not to secure pleasure, but to avoid pain.

A statement is persuasive and credible either because it is directly self-evident or because it appears to be proved from other statements that are so.

Without friends no one would choose to live, though he had all other goods.

Man is the only animal capable of reasoning, though many others possess the faculty of memory and instruction in common with him.

Love is composed of a single soul inhabiting two bodies.

Probable impossibilities are to be preferred to improbable possibilities

It is during our darkest moments that we must focus to see the light.

Pleasure in the job puts perfection in the work.

There is no great genius without some touch of madness.

My best friend is the man who in wishing me well wishes it for my sake.

The worst form of inequality is to try to make unequal things equal.

Those that know, do. Those that understand, teach.

A friend to all is a friend to none.

What it lies in our power to do, it lies in our power not to do.

Courage is the first of human qualities because it is the quality which guarantees the others.

Good habits formed at youth make all the difference.

Moral excellence comes about as a result of habit. We become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

Man is a goal-seeking animal. His life only has meaning if he is reaching out and striving for his goals