一个人若不付出一些无知的代价，就永远不会幸福。

I’ve had to work very hard for every title. Nothing has been given to me.

"When you do something best in life, you don’t really want to give that up – and for me it’s tennis."

故事的真谛不在于其情节，而在于它所唤起的情感。

Happiness lies in the joy of achievement and the thrill of creative effort.

成功不在于目的地，而在于旅程。