It is wrong to have an ideal view of the world. That's where the mischief starts. That's where everything starts unravelling.

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

心理学必须是一门纯粹描述性的科学。

If you're lucky enough to be different, don't ever change.

"To understand perception, study its role in adaptation."

我不是傲慢，我只是比其他人更好。