说出口的话无法收回,听到的话无法忘记。
"What is said cannot be unsaid, and what is heard cannot be unheard."
物理定律是宇宙的语言,通过它们,我们可以开始理解存在的广阔和复杂性。
It is always good to have a problem that you cannot solve. It means you have something to work on.
The past is a map, showing us where we have been.