The most important thing in life is to have a sense of purpose and to pursue it with passion.

The most dangerous poison is the feeling of achievement. The antidote is to think every evening what can be done better tomorrow.

我最好的年华是在50岁之后。年龄只是一个数字——重要的是你的态度。

I believe that science has great potential to improve human life.

【解释】脑力劳动者统治人，体力劳动者被人统治；被统治者养活别人，统治者靠别人养活，这是通行天下的原则。