"We are all in the gutter, but some of us are looking at the stars."

如果你在小事上无原则，那么大事上一样没有原则。

"The act of writing is an act of rebellion against the passage of time."

The goal of mathematics is to make the simple complicated, and the complicated simple.

未来属于那些能将限制转化为创造性机会的人。