When you don't have to worry about criteria like that ordinary, mechanical energy rules supreme, and that's dictating where equilibrium lies.

如果你不担心像这样的要求,通常的机械能就占据主要地位，并且决定平衡位于何处。

麻省理工公开课 - 热力学与动力学课程节选

In fact, our readiness and potential to experience happiness is mostly depended on our state of mind, not on our status, or the states of our bank account.

事实上，我们的准备和体验幸福的可能性,主要由我们的心境决定，不是我们的地位或银行账户状况。

哈佛公开课 - 幸福课课程节选