It is more fitting for a man to laugh at life than to lament over it.

The pressure of adversity does not affect the mind of the brave man... It is more powerful than external circumstances.

When I think over what I have said, I envy dumb people.

Precepts or maxims are of great weight; and a few useful ones on hand do more to produce a happy life than the volumes we can't find.

It is not the man who has too little, but the man who craves more, that is poor.

Anger, if not restrained, is frequently more hurtful to us than the injury that provokes it.