There is no such thing as a small life. Every existence contains the universal.

我不是榜样，我只是一个试图弄清楚一切的孩子。

——〈在广州岭南学堂的演说〉，1912年5月7日

"The only way to learn mathematics is to do mathematics."

Hard work and dedication are the keys to longevity in this business.

The most sustainable building is the one that people love.