证明的严谨性将数学与所有其他科学区分开来。
I don’t have to prove anything to anyone. I only have to follow my heart and concentrate on what I want to say to the world. I run my world.
人们常只想到自己的需要,而没考虑自己的能力。
如果我们想养活世界,就必须先学会倾听它的需求。