"The interplay between mathematics and computer science is a rich source of innovation."

Mom, why do you laugh so much? / Because I have you as my daughter.

坚持做自己喜欢的事情，即使遇到困难也不要轻易放弃。

最好的歌曲来自个人经历。

    ——杜先生晚年在香港，先生为中国抗战.赈灾慈善做出巨大贡献，晚年依旧气度过人，毁掉所有欠条。

The process of creating is just as important as the final product.