我非常相信用清单来解决难题。你需要在你面前得到所有可能和不可能的答案;否则很容易错过一些重要的东西。
Theorems are the permanent literature of mathematics.
作家必须甘于孤独。
The only way to do great work is to love what you do.
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.