That there are things in this world not carved out of gray stone. That there s a small place inside of us they can never lock away, and that place is called hope.

你不能害怕失败，这是成功的唯一途径。

任何一个时代的统治思想始终都不过是统治阶级的思想。

心理学家必须避免一切形式的心理化学。