言语是智者的筹码，他们只是用它们来算计；但它们是愚人的金钱。
Words are wise men's counters, they do but reckon by them; but they are the money of fools.
I like to be a free spirit. Some don’t like that, but that’s the way I am.
Psychology should concern itself not with static elements, but with the dynamic interplay between organism and environment.
Every generation needs a new revolution.