数学不是关于数字、方程、计算或算法:它是关于理解的。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
有时最意想不到的发现会带来最大的进步。
创造就是记住。
I love the world of movies. I love the world of storytelling.
The propensity to truck, barter, and exchange one thing for another is common to all men, and to be found in no other race of animals.