We often see people in the theatre who admit unfortunate people to tears, but if they become tyrants, they will be more cruel to the enemy.
我们经常看见剧院里的人为剧中招收不幸的人伤心落泪，然而如果他们成为暴君，只会更加残暴的对待敌人。
成功的真正标准是你为社会进步贡献了多少。
Don't watch the clock; do what it does. Keep going.
The true meaning of life is to plant trees, under whose shade you do not expect to sit.
数学的研究对科学的发展就像空气或水一样。
舞台上的沉默可以比任何对白更响亮。