I don’t write for an audience. I write for myself.

多样性不仅仅是一个可有可无的东西，对于任何想在当今世界蓬勃发展的组织来说，它都是必不可少的。

Every breakthrough in laser technology brings us closer to solving mysteries that have puzzled scientists for decades.

    ——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 hardest part of design is keeping features out."

自守形式的研究是数学思想统一性的反映。

The best way to cheer yourself up is to try to cheer somebody else up.