I don't know what I want. I am inconsistent, non-committal, passive; I like the indefinite, the boundless; I like continual uncertainty.

Sustainability isn’t a trend; it’s a responsibility we owe to future generations.

Writing is a way of preserving the truth of the past.

——〈在广州岭南学生欢迎会上的演说〉，1923年12月21日

对犯罪者的研究应从其头骨研究开始。