Do not weep do not wax indignant. Understand.
If you've got a talent, protect it.
To be a good loser is to learn how to win.
What you do today can improve all your tomorrows.
It's always too early to quit.
Quality is not an act, it is a habit.
Be gentle to all and stern with yourself.
By failing to prepare, you are preparing to fail.
The wise does at once what the fool does at last.
I can, therefore I am.
Now it is quite clear to me that there are no solid spheres in the heavens, and those that have been devised by the authors to save the appearances, exist only in the imagination.