Don't let success get to your head, and don't let failure get to your heart.

"The best way to lead is by example."

We must listen to the science and act with urgency to address global energy challenges.

In mathematics, the journey of discovery is often more rewarding than the destination itself.

二叠纪盆地将在未来几十年内保持美国石油生产的皇冠地位。

国家道德的基础必须建立在私人家庭中。