While you invent, don't select. While you sketch, don't inspect. While you write the first draft, don't reflect.
解释:对别人没有恩德,却想有求于人,这是罪过。
"I am not interested in the individual fate of the characters, but in the social conditions that produce such fates."
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。