Tennis is a brutal sport. There is no place to hide out there.

最好的报复就是巨大的成功。

自然状态下的生活是孤独、贫穷、丑陋、野蛮和短暂的。

"Writing is a way to make sense of our place in history."

If you want to be successful, you have to be willing to make tough decisions.

创新区分了领导者和跟随者。