网球是一项心理游戏。每个人都很健康,每个人都能打出漂亮的正手和反手。
Whenever a man does a thoroughly stupid thing, it is always from the noblest of motives.
Innovation distinguishes between a leader and a follower.
失败是有趣的——它是进步的一部分。你从成功中学不到什么,但从失败中可以学到很多。