The constant pursuit of wisdom is the highest goal of life.
I don't run out of material. I run out of time.
The best mathematics is that which you do not understand at first glance.
模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。
I never regret choosing the path of music, even if given another chance, I would still choose it.