证明的严谨性将数学与所有其他科学区分开来。
Rigor in proof is what separates mathematics from all other sciences.
The growth of employees is the growth of the enterprise; we must create development opportunities for them.
The most important thing is to enjoy your life—to be happy—it's all that matters.
The world is full of stories, but the stories are all one.
Every lump of coal we mine keeps the lights on in someone's home.