你越努力，就越幸运。

Farmers are the unsung heroes of our global food system.

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

The greatest crimes are not committed by people breaking the rules, but by people following the rules.

发现可能性的极限的唯一方法，就是超越它们进入不可能。