To know oneself, one should assert oneself.
Who seeks shall find.
The most effective way to do it, is to do it.
By failing to prepare, you are preparing to fail.
Expect problems and eat them for breakfast.
To be a good loser is to learn how to win.
Without hard work, nothing grows but weeds.
Be thine own palace, or the world's thy jail.
Be gentle to all and stern with yourself.
You never know what motivates you.
Seems like most of the kids today are into other sports other than tennis.