If you are depressed you are living in the past. If you are anxious you are living in the future. If you are at peace you are living in the present.如果你經常鬱鬱寡歡,那你是活在過去,如果你經常緊張焦急,那你是活在未來,如果你總是泰然處之,那就是活在當下。