在我看来，广告中最大的成就是可信度，没有什么比产品本身更可信的了。
The greatest thing to be achieved in advertising, in my opinion, is believability, and nothing is more believable than the product itself.
Mathematics is a living subject, constantly evolving with new ideas and discoveries.
——与日本广州新闻社记者的谈话，1924年3月
整体不同于其部分的总和。