Mathematics is not a spectator sport.

不要试图改变外部世界，改变你的内在世界，外部世界会自动调整。

I paint not to escape reality, but to confront it.

In the old world, you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world, that inverts.

在网球中，就像在生活中一样，你必须不断前进——一次一分。

孤独是人类的常态。培养它。它如何深入你，让你的灵魂有空间成长。

没有什么比一个显而易见的事实更具欺骗性。