在上海法租界莫利爱路二十九号住宅与李宗黄谈话，1918年7月

心理学的研究必须包括对心灵运作环境的研究。

照片是一种非常糟糕的传达事物实际样子的方式。

The food industry must lead the way in ethical sourcing and transparent practices.

In mathematics, the art of proposing a question must be held of higher value than solving it.

Think wrongly, if you please, but in all cases, think for yourself.

我只是一个唱歌跳舞的人。