Nature is the most subtle artist of all.

Work to become， not to acquire.

We need to focus on the actual outcomes of policies, not just their intended effects.

The only limit is the one you set for yourself.

Time has no divisions to mark its passage, there is never a thunderstorm or blare of trumpets to announce the beginning of a new month or year.

在科学中最重要的不是解决问题，而是提出正确的问题。

Don't wait for opportunity, create it.

一个好的布道是激情对话的一面。

To men like that, time was a surfeit, a barrel they watched slowly drain. When really, he thinks, it’s a glowing puddle you carry in your hands; you should spend all your energy protecting it.

Stay humble and work hard.