理解数学就是掌握宇宙的语言。
To understand mathematics is to speak the language of the universe.
邪恶胜利的唯一必要条件是好人的无所作为。
There is a time for daring,and there is a time for caution, and a wise man understanding which is called for
The best art is generous.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.