The probability of a response is determined by its reinforcement history.
The greatest gift you can give is your authentic self.
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.
我不害怕说我想成为有史以来最伟大的球员。