如果你没有偶尔失败,说明你没有足够地突破界限。
弦理论是二十一世纪物理学的一部分,偶然落入了二十世纪。
依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。
怎么会有不用同道的人而只用与自己意见相同的人的道理呢? 
一本书是一面镜子;如果一个傻瓜往里看,你不能指望一个智者往外看。
It has always seemed strange to me... the things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success. And while men admire the quality of the first they love the produce of the second.