Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
科学是一种试图不欺骗自己的方式。首要原则是你不能欺骗自己，而你自己是最容易被欺骗的人。
We are the product of our evolutionary past.
【译文】将知识默记在心，学习时，不感到满足，教人时，不感到倦怠，这三方面我做到了哪些呢？
He who is not satisfied with a little, is satisfied with nothing.
教育是老年人的最佳粮食。
"The world is always going to be dangerous, and people are always going to be good and bad."
永远质疑你的假设——最有趣的发现往往就在那里。