I can, therefore I am.
Who seeks shall find.
Expect problems and eat them for breakfast.
To be a good loser is to learn how to win.
The secret of getting ahead is getting started.
The most effective way to do it, is to do it.
You never know what motivates you.
After a storm comes a calm.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
As for everything else, so for a mathematical theory: beauty can be perceived but not explained.