永远不要停止学习，因为世界永远不会停止变化。

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。

人生就像骑单车。想保持平衡就得往前走。

海洋不属于我们——我们属于海洋，我们必须相应地行动。

网球给了我一切，我想回馈一些东西。

In looking for someone to hire, you look for three qualities: integrity, intelligence, and energy. But the most important is integrity because if they don't have that, the other two qualities, intelligence and energy, are going to kill you.