Efficiency in extraction isn't just good for profits; it's good for the planet.

"To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment."

Oh,to struggle against great odds,to meet enemies undaunted.

当你最认为困难的时候，其实就是你最接近成功的时候。

Language is the most powerful tool of human thought.

数学的研究就像空气或重力——它无处不在，你看不到它，但你知道它在那里。