当你想要放弃的那一刻，想想你为什么坚持了这么久。
"The moment you feel like giving up, think about why you held on for so long."
When you do something best in life, you don’t really want to give that up – and for me it’s tennis.
All good writing is swimming under water and holding your breath.
在成本之前，击败市场是一场零和游戏。在成本之后，这是一场失败者的游戏。
I like criticism. It makes you strong.