真理是人类精神的自由创造，如果我们自己不产生它，它就永远不会存在。

I don't think about the past, I just think about the future.

领导力在于让他人因你的存在而变得更好，并确保这种影响在你离开后依然持续。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

The little things are infinitely the most important.

今天我们种下的每棵树都是对未来清洁空气和健康生态系统的投资。

The essence of mathematics lies in its ability to reveal hidden patterns and structures in the universe.