Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
The uniform, constant, and uninterrupted effort of every man to better his condition, the principle from which public and national as well as private opulence is originally derived.
Everyone has a secret world inside of them. All of the people of the world, I mean. Everybody. No matter how dull and boring they are on the outside, inside them they’ve all got unimaginable, magnificent, wonderful, stupid, amazing worlds. Not just one world. Hundreds of them. Thousands maybe.
书籍是人类经验的地图。
Adaptability is the key to survival in an ever-changing industry.
用心作画,你的手自然会跟上。