创新是创造价值和解决问题的关键。

谁若不能独立，谁就谈不上自由。

Hard work beats talent when talent doesn’t work hard.

To the man with only a hammer, every problem looks like a nail.

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

"The serve is the most important shot in tennis."