To be a good mathematician, you need to have both intuition and rigor.
如果开采技术不优先考虑环境可持续性,那么创新就毫无意义。
The great epochs of our life are the occasions when we gain the courage to rebaptize our badness as the best in us.
只要你曾经在一只天鹅蛋里待过,就算你是生在养鸭场里也没有什么关系。
我不害怕跌倒,因为我知道我会重新站起来。