The best way to learn mathematics is to do mathematics.
我一直都很幸运。机遇很少凭空出现。所以,当它们出现时,你一定要抓住。
并不是我很聪明,而只是我和问题相处得比较久一点。
The dead are never far from us. They’re in our hearts and on our minds and all around us.