In mathematics, the art of proposing a question must be held of higher value than solving it.
最重要的是享受生活 - 快乐 - 这才是最重要的。
There is only one good, which is knowledge, and one evil, which is ignorance.
生物普遍存在的生存斗争不是为了原材料或能量,而是为了熵,它通过能量从炽热的太阳向寒冷的地球转移而变得可用。