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.
The awful shadow of some unseen Power floats, though unseen, among us.
在物理学中,最简单的解释往往是正确的。
The best way to predict the future is to create it.
用右手画圆形,左手画方形,不能同时画成