I don’t need to be perfect, I just need to be better than yesterday.
超越顾客的期望。如果你这样做,他们会一次又一次地回来。给他们想要的——再多一点。
心理学应该是关于心理生活的科学,包括其现象及其条件。
If you're not making mistakes, you're not trying hard enough.