The future of democracy depends on the ability of democratic societies to reform themselves.

In refining, efficiency isn't an option—it's the oxygen that keeps this industry alive.

我声明学习和教授解剖学，不是从书本而是从解剖中来。

The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.

"Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence."

Now, I am not going to stand here and tell you that failure is fun. That period of my life was a dark one, and I had no idea that there was going to be what the press has since represented as a kind of fairy tale resolution. I had no idea then how far the tunnel extended, and for a long time, any light at the end of it was a hope rather than a reality.