What you think about yourself is much more important than what others think of you.

Failure changes for the better, success for the worse.

The road to learning by precept is long, but by example short and effective.

Let us train our minds to desire what the situation demands.

A happy life is one which is in accordance with its own nature.

There is no person so severely punished, as those who subject themselves to the whip of their own remorse.

He who looks for advantage out of friendship strips it all of its nobility.