I can, therefore I am.
To know oneself, one should assert oneself.
Leap, and the net will appear.
Who seeks shall find.
The most effective way to do it, is to do it.
Well done is better than well said.
Go for it now. The future is promised to no one.
If you've got a talent, protect it.
You never know what motivates you.
Know or listen to those who know.
As for everything else, so for a mathematical theory: beauty can be perceived but not explained.