The best way to learn mathematics is to do mathematics.
在所有的动物中,只有人类是残忍的。他们是唯一将快乐建立在制造痛苦之上的动物。
创新不仅仅是技术,更是改变我们的思维方式。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'