The facts of life are very simple, but the stories we tell about them are very complicated.
译文：独自在东风中舞动细腰，是为了谁忧愁怨恨又是为了谁娇艳呢?
The world is always right. In its judgments, it is always right. For it is not the world that judges, but we.
今天我们必须负责任地开采煤炭，这样我们的孩子才能继承能源安全和健康的环境。
Behavior is determined by the current stimulus situation and past reinforcement history.