The world needs more scientists who think like engineers, and more engineers who think like scientists.

我不担心别人怎么想，我只是出去尽我所能。

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

顺从天意的政治是以义服人的政治,违反天意的政治是以力服人的政治。