The probability of a response is determined by its reinforcement history.
The greatest gift you can give is your authentic self.
The mistral may howl, but the olive tree bends without breaking.
逆境是通往真理的第一条道路
塑料的真正成本不在于生产，而在于它的后续处理。
质量不是命运；它是一种选择。
Success comes from collaboration, not competition.
在爱情中我们都是傻瓜。
我不害怕说我想成为有史以来最伟大的球员。