Invert, always invert: Turn a situation or problem upside down.Look at it backward.
颠倒,永远颠倒:把情况或问题颠倒过来。倒过来看。
Mathematics is the art of giving the same name to different things.
The greatest trick the devil ever pulled was convincing the world he didn't exist.
每个人都认为自己是最重要的存在。这是很正常的。但真正重要的是,能否珍惜自己以外的某个人。