——回答清华学生“国民党施行的，是否俄国的主义？”，1924年2月9日

The most successful societies are those that allow for the greatest degree of individual freedom and creativity.

我一直觉得奇怪……我们钦佩的那些品质，如善良、慷慨、开放、诚实、理解和同情，在我们的体系中往往是失败的伴随物。而我们厌恶的那些特质，如精明、贪婪、占有欲、卑鄙、自负和自私，却是成功的特质。虽然人们钦佩前者的品质，但他们却喜欢后者的产物。

Life is not what one lived, but what one remembers and how one remembers it in order to recount it.

Pedestrians never seem to realize that they are a threat to the safety of cars.

You have to be able to laugh at yourself, or you'll never make it in this business.