People are not always rational, and their irrationality can have significant economic consequences.
人們并不總是理性的，他們的非理性行為可能會產(chǎn)生重大的經(jīng)濟(jì)后果。
The human mind is a complex system, and understanding it requires a multidisciplinary approach.
I ought to have judged by deeds and not by words.
定義屬于下定義的人，而不屬于被定義的人。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.