I think the most important thing in filmmaking is to tell a story that you're passionate about.

If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.

In the oil industry, efficiency and sustainability are two sides of the same coin.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

动力学的方程在用变分法的语言表达时是完全的。