"We are what we repeatedly do. Excellence, then, is not an act, but a habit."

The true measure of a company's value is how it treats its lowest-paid workers.

When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.

数学是模式的科学，我们研究它们以理解事物如何运作。

"The best stories are the ones that make you feel something, that stay with you long after you've finished reading."