The process of writing can be magical. Mostly, you'll be staring at the computer screen trying not to distract yourself with the internet. But sometimes, if you're lucky, inspiration will come.
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
可持续性不是一种趋势,而是我们对下一代的责任。
有时候唯一的生存方式就是变成另一个人。