I can, therefore I am.
If you've got a talent, protect it.
Be gentle to all and stern with yourself.
The secret of getting ahead is getting started.
If you think you can do it, you can.
Never complain and never explain.
Always desire to learn something useful.
It's always too early to quit.
To know oneself, one should assert oneself.
The most effective way to do it, is to do it.
Science is a differential equation. Religion is a boundary condition.