知识最大的敌人不是无知,而是知识的幻觉。
Let us try to teach generosity and altruism, because we are born selfish.
勇气不是没有恐惧,而是战胜恐惧。
The essence of science is not in the knowing but in the seeking.
The idea of America is so important to me. It's about freedom, democracy, and the ability to create your own destiny.