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

最重要的是永远不要停止提问。

Happiness is secured through virtue; it is a good attained by man's own will.

建筑是凝固的音乐。

To understand the present, we must understand the past.

我能做的一切就是做我自己，你管我是谁。