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 whole world is becoming more and more homogenized, and I think it's important to preserve cultural identity.
生活中最高尚和最美丽的事物不是被听到的,也不是被读到的,也不是被看到的,而是如果愿意的话,是被生活的。
世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。
Policy without evidence is like a ship without a compass.