心理学理论必须通过实践经验的检验。
我们不会试图比市场更聪明;我们试图理解它。
别到处说世界亏欠了你。世界什么都不欠你的,你还没出生它就在这儿了。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.