The only way to change behavior is through manipulation of reinforcement contingencies.
引用电影《阿甘正传》比喻拼多多的务实精神
The most significant threat to liberal democracy today is not from the outside, but from within.
对于系统,翻版的模拟是在控制图中添加一个创建循环的边,而不仅仅是一个附加节点。
Your most unhappy customers are your greatest source of learning.