The coal industry is the backbone of America.

Every bottle tells a story—make yours worth telling.

性别平等的未来取决于拆除可见和不可见的障碍。

In computer science, we stand on the shoulders of giants.

Wisdom comes to us when it can no longer do any good.

Life is too short to hold grudges.

The most elegant mathematical proofs are those that reveal truth with simplicity.

我会设身处地地为站在我面前的人着想。