He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.

I've had a lot of worries in my life, most of which never happened.

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.

The secret to success is constancy of purpose.

Adventure is worthwhile in itself.

Our distrust is very expensive

Trying to define yourself is like trying to bite your own teeth.