最终，我们记住的不是敌人的话语，而是朋友的沉默。
In the end, we will remember not the words of our enemies, but the silence of our friends.
量子力学不仅仅是一个理论，它是一个从根本上改变了我们对现实理解的框架。
A writer must be a witness to his or her time, must bear witness to the injustices and the sufferings of the world.
使用程序证明四色定理不会改变数学-它只是表明该定理是一个世纪的挑战，对数学可能并不重要。
言语的力量在于它们唤起情感的能力。
Our license to operate depends as much on social acceptance as it does on technical capability.
柠檬问题是指买家无法确定产品质量，因此只愿意支付反映平均质量的价格。