The advancement of mathematics is through generalization.
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind, pitiless indifference.
A program without a loop and a structured variable isn't worth writing.
如果给我一部时间机器,我会告诉21岁的自己,人的幸福在于知道生活不是一份漂亮的成绩单,你的资历、简历,都不是你的生活,虽然你会碰到很多与我同龄或更老一点的人今天依然还在混淆两者。生活是艰辛的,复杂的,超出任何人的控制能力,而谦恭地了解这一点,将使你历经沧桑后能够更好的生存。