The world changes by your example, not by your opinion.

A sad thing in life is when you meet someone who means a lot to you only to find out in the end that it was never meant to be and you just have to let go.

如果你没有偶尔失败，说明你不够努力。

未经审视的生活不值得活。

我们不是从祖先那里继承了地球，而是从我们的孩子那里借来的。

Leadership is about making tough decisions today that will pave the way for a better tomorrow.

科学中最重要的是不要停止提问。