War is an ugly thing, but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war, is much worse.
书籍是最安静、最恒久的朋友;它们是最易接近、最睿智的顾问。
在弦理论中,所有粒子都是微小超对称弦的振动。
生命中最要紧的事即是彼此。