优秀的数学家不是知道所有答案的人，而是能提出正确问题的人。
A good mathematician is not one who knows all the answers, but one who asks the right questions.
故事是有生命的东西；它随着每一次讲述而生长。
我不完美，但我永远是我。
And gladly would learn， and gladly teach.
"We are all just walking each other home."
凡是陽性必刚强，刚强一定光明，光明则容易了解。凡是陰性必柔弱，柔弱一定陰暗，陰暗则难以预测。