To be a good loser is to learn how to win.
If you think you can do it, you can.
By failing to prepare, you are preparing to fail.
Be kind whenever possible. It is always possible.
Do not weep do not wax indignant. Understand.
I can, therefore I am.
To know oneself, one should assert oneself.
What you do today can improve all your tomorrows.
Never complain and never explain.
Always desire to learn something useful.
It's very expensive to be a professional tennis player with all the travel and the flights and the hotels and everything.