做成一件事要有缘分,抓住机遇,准确把握其轻重缓急,会使其尽善尽美;如果时运不济,抓不住机会,那么每做一事,均不得成功。
我们唯一能知道的是我们一无所知,这是人类智慧的最高境界。
In mathematics, you don't understand things. You just get used to them.