I don’t have time to worry about something as trivial as what I look like.
思维和行为在生命有机体中是不可分割的。
I'm not here to tell you what to think. I'm here to tell you to think.
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.
再说,义就是匡正的意思,不能以下正上,必须是以上正下。