Always desire to learn something useful.
To be a good loser is to learn how to win.
Leap, and the net will appear.
The wise does at once what the fool does at last.
Either you run the day or the day runs you.
Who seeks shall find.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
To know oneself, one should assert oneself.
Never complain and never explain.
The object of pure physics is the unfolding of the laws of the intelligible world the object of pure mathematics that of unfolding the laws of human intelligence.