Know or listen to those who know.
If you've got a talent, protect it.
To be a good loser is to learn how to win.
Be thine own palace, or the world's thy jail.
Be gentle to all and stern with yourself.
Well done is better than well said.
To know oneself, one should assert oneself.
The secret of getting ahead is getting started.
I can, therefore I am.
It's always too early to quit.
You live in a deranged age, more deranged that usual, because in spite of great scientific and technological advances, man has not the faintest idea of who he is or what he is doing.