Materials themselves are not important; what matters is how you use them.

衡量一个领导者的真正标准不是他们有多少追随者，而是他们培养了多少领导者。

The greatest glory in living lies not in never falling, but in rising every time we fall.

The most important thing in life is to have a sense of purpose and to pursue it with passion.

Every life contains its own mysteries, and the biographer must respect the unknowable.

A rat in a maze is free to go anywhere, as long as it stays inside the maze.