It would be much better if you had a reference point that didn't care where the pressure was.

我们还需要精确地定义气压,你必须知道气压的大小,当然如果我们能找到一个。

麻省理工公开课 - 热力学与动力学课程节选

An animal who has evolved a brain that says, "Take care of your offspring" will do much better from a natural selection point of view from an animal who has evolved a brain that says, "Eat your offspring."

逐步形成大脑的动物说，照顾你的后代“,好过从自然选择观点,看问题的动物说，吃掉你的后代“

耶鲁公开课 - 心理学导论课程节选