History is the shadow cast by the present.

我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”

A leader does not deserve the name unless he is willing occasionally to stand alone.

我比昨天更坚强了

女人对人生的透彻来得晚，这就是男女之间的差异。

Sustainability isn't just a buzzword—it's the foundation upon which future forests must grow.

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

The more you hide, the more you are seen.

Biology will relate every human gene to the genes of other animals and bacteria, to this great chain of being.