几百万年以来，花儿都长着刺；几百万年以来，羊也在吃花。难道我想知道，花儿为什么憋足了劲长没用的刺，这不是正经的事吗？这不比红胖子的加法更正经，更重要吗？要是我认识的世界上的一朵独一无二的花，她哪也不去，就爱长在我的星球上，可是却在某天早晨，被小绵羊一不留神咬死了，难道这样的事也不重要吗？
实现明天的唯一限制是我们今天的疑虑。
The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.
宗教是我们为拥有大脑付出的代价。
Understanding the limits of computation is essential for advancing the field of computer science.