A leader's job isn't to have all the answers, but to ask the right questions.

世界就在她的阅读之中。

The moral feeling of human nature is an obligation， and we must endow the soul with the sense of beauty.

历史会记住为自由而战的人。

真理和清晰是互补的。

如果物体处于静止状态或作匀速直线运动，只要没有外力作用，物体将保持静止状态或匀速直线运动状态。

Don’t cry to quit, cry to keep going.