过去是一个陌生的国度;那里的人做事方式不同。
Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.
群众的鼻子是他们的想象力。通过这一点,任何时候都可以悄悄地引导他们。
The elegance of a mathematical proof is in its simplicity and clarity.
Every word is a step towards understanding, every sentence a bridge to another soul.