Leap, and the net will appear.
To be a good loser is to learn how to win.
Problems are not stop signs, they are guidelines.
Begin to be now what you will be hereafter.
Quality is not an act, it is a habit.
What you do today can improve all your tomorrows.
Either you run the day or the day runs you.
Always desire to learn something useful.
The secret of getting ahead is getting started.
To know oneself, one should assert oneself.
As for everything else, so for a mathematical theory: beauty can be perceived but not explained.