To be free is not to have the power to do anything you want, but to have the power to do what is right.

The old-fashioned dictator does not exist under scientific management.

保持真实，永远不要让任何人黯淡你的光芒。

Never underestimate the power of persistence. Most people give up too soon.

你停止尝试的那一刻就是你停止学习的那一刻。