Go for it now. The future is promised to no one.
To be a good loser is to learn how to win.
It's always too early to quit.
Expect problems and eat them for breakfast.
The dog that trots about finds a bone.
If you can dream it, you can do it.
I can, therefore I am.
Quality is not an act, it is a habit.
Know or listen to those who know.
Do not weep do not wax indignant. Understand.
A serious and good philosophical work could be written consisting entirely of jokes.