A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
"I keep on saying that anything is possible."
学识不够渊博的人们,就无法能够得到其中的要领。志向如果不够坚定,这样就不能够努力践行。
To me, happiness is about three things: someone to love, something to do, and something to look forward to.