一个群体的性格和命运，往往由其最低劣的成员决定。
The character and destiny of a group are often determined by its inferior elements.
You have to fight for your dreams, no one is going to hand them to you.
小麦育种不仅要高产，还要抗病抗逆。
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.
The heart is a wild thing, and it doesn’t follow rules.