人生最重要的是活得开心，其他都是次要。

We must balance economic growth with environmental responsibility - they are not mutually exclusive.

实现明天的唯一限制将是我们今天的疑虑。

I have always considered that the true test of a machine is its practical utility in the hands of the common laborer.

A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.