The discipline of desire is the background of character.

The world has nothing to fear from military ambition in our Government.

Life is too short to waste time on negativity.

最好的肥料是农民的影子（意指农民的辛勤劳动）。

努力工作和诚信是任何持久企业的基石。

What I’ve achieved in tennis is great, but who I am as a person is more important.

你喜欢的东西，并不意味着世界一定会给你。

我们不与任何人竞争，只与自己竞争，做到最好。

Silence is not always absence; sometimes it is the loudest presence.