Energy security is national security.

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That’s how I’ve gotten to where I am.

你叫不醒一个装睡的人。

"In the silence of the night, the writer finds the loudest voices."

The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.

如果一个人不过高地估计自己，他就会比他自己所估计的要高得多。