Don't be afraid to say what you are not afraid to think.

There are some defeats more triumphant than victories..

A man is not hurt so much by what happens, as by his opinion of what happens..

My life has been full of terrible misfortunes most of which never happened..

A man who fears suffering is already suffering from what he fears..

A man must learn to endure patiently what he cannot avoid conveniently..

I quote others only in order the better to express myself..

Happiness involves working toward meaningful goals..

Rejoice in the things that are present; all else is beyond thee..

The pleasantest things in the world are pleasant thoughts, and the great art of life is to have as many of them as possible..

The only thing certain is nothing is certain..

He who establishes his argument by noise and command shows that his reason is weak..

The most certain sign of wisdom is cheerfulness..

We commend a horse for his strength, and sureness of foot, and not for his rich caparisons; a greyhound for his share of heels, not for his fine coll….

In nine lifetimes, you'll never know as much about your cat as your cat knows about you..

The greatest thing in the world is to know how to belong to oneself..

On the highest throne in the world, we still sit only on our own bottom..

The man who thinks he knows does not yet know what knowing is.

We trouble our life by thoughts about death, and our death by thoughts about life..

Confidence in the goodness of another is good proof of one's own goodness..

We can be knowledgeable with other men's knowledge, but we cannot be wise with other men's wisdom..