永远不要停止学习；一旦停止，你就会开始落后。
Never stop learning; the moment you do, you start falling behind.
The biggest risk is not taking any risk... In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.
剑鞘保护剑的锋利，自己却满足於它自己的迟钝。
你必须愿意冒险才能实现伟大的事情。