Symmetry is not just a property of nature; it is a guiding principle in the search for physical laws.
对称性不仅是自然的一种属性，而且是寻找物理定律的指导原则。
选择最好的生活，因为习惯会使它愉快。
Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.
交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。