当一个孩子问出一连串的「为什么」的时候，最聪明的回复就是「我不知道，你是怎么想的呢？」
When a child asks an endless string of “why？” questions， the smartest reply is， “I don’t know， what do you think？”
Time is a concept that is derived from the way we perceive change.
Mental processes are the tools by which we build our survival.
I've always been attracted to the lyric poem because of what it omits.