如果你感到自己已经很完美了，那么你永远不会达到你本可以达到的高度。
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.
网球给了我一切，我想回馈一些东西。
写作的行为是一种勇气的行为，是对虚无的挑战。
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.
Champions are made when no one is watching.
"I want to write books that make children think and feel."
The best way to survive in the wild is to stay calm and think clearly.