Behavior is determined by the current stimulus situation and past reinforcement history.
人类是一种非常奇特的生物。他以为自己有灵魂,但他所拥有的只是一具躯体。
If you really want to succeed, don't be afraid of failure.
沉默是一种美德,但在喜欢的人面前沉默,就是一种懦弱。
Writing is a dialogue with oneself.
It's dope to be black until it's hard to be black.