The more you know, the more you realize you don't know.
你知道的越多,你就越意识到你不知道的越多。
Real recognize real.
板块构造理论是地质学的统一理论。
The longer I am out of office, the more infallible I appear to myself.
平凡与非凡的区别就在于那一点额外的努力。