"In tennis, like in life, you have to keep moving forward—one point at a time."

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

释义：将煮沸的热水扬起以停止其沸腾，不如抽掉下面的木材。处理任何问题时，与其用凑合的办法应付，不如从根本上彻底解决。

最好的性能改进是从非工作状态到工作状态的转变。

The world is full of mysteries, and that is its beauty.