"In the end, we will remember not the words of our enemies, but the silence of our friends."
最终，我们记住的不是敌人的话语，而是朋友的沉默。
The destiny of man is in his own soul.
所有有思想的人都是无神论者。
The progress of mathematics is measured by the number of problems it can solve.
There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
政治和文学都是改变现实的尝试，只是方式不同。
