Don’t just aim for success—aim for significance.

每一天都是祝福，即使是糟糕的日子。

Change is hardest at the beginning, messiest in the middle, and best at the end.

Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.

The meaning of a word is its use in the language.

We are all bound by the social contract to obey the laws， but we also have the right to participate in making those laws.

未经测试的程序是无法正常工作的。

我想在太空飞行，绝对的！那会是相当酷。我自己过去经常做一些冒险的事情，但是我现在有了孩子和家庭责任，因此我没法拿自己去冒风险了。那样做不明智。但是只要太空飞行变得切实可行，我一定会去尝试。

宏观是我们必须接受的，微观才是我们能有所作为的。