Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
心理学是科学，教学是艺术；科学永远不会直接从自身产生艺术。
总统的职位是伟大的，但担任这个职位的人并不伟大。
A great business at a fair price is superior to a fair business at a great price.
The best songs come from pain.
Psychology must be grounded in biology to be truly scientific.
以目标为导向的公司比那些只关注利润的公司更持久。
Innovation without execution is just imagination.