出自北齐·颜之推《颜氏家训·省事》。很多的事情一起做，可能做好的却很少，还不如专心致志的做一件事情。

To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.

我宁愿亲自监督政府的全部运作，而不是将公共事务委托给下属，这使我的职责非常重大。

与孩子们在一起，灵魂得到治愈。

I think the best movies are the ones that make you feel something.

我们在这里是为了在宇宙中留下痕迹。不然我们为什么在这里？

The success of any political system depends on its ability to generate legitimacy in the eyes of its citizens.

In the internet industry, the only constant is change itself.

数学是给不同事物起相同名称的艺术。