I don’t think you can compare eras in tennis. Every era has its great players.

人类智力的发展都应该主要归功于欲望，而欲望能否被普遍满足要依靠智力的发展。

I don't think about my legacy. I'm just doing what I love.

The greatest enemy of a good plan is the dream of a perfect plan.

I prefer the destruction of the whole world to the scratching of my finger.

无论成本压力如何，质量都不应妥协。