The scientific study of behavior must be based on objective, measurable data.

"The greatest mystery is not in the stars, but in ourselves."

切勿用权力去压制你认为不利的意见，因为如果你发表意见时也会遭到压制。

每一本书都是一次旅程，每一次旅程都会改变你。

说某事就是执行一项行动，而执行行动就是用言辞来实现某事。