The source is the forty-third time of water margin in Ming Dynasty.
Appreciating that life is alive, it is impossible for everything to go smoothly, and it is difficult to have a thousand good days; Just like a flower, it can't bloom for a hundred days, not only does it not fade, but it is as red as the first day. The original poem advised people not to be complacent for a while, but to plan the future in time.
There are only two sentences in the original poem. There are four lines in the Yuan Song "Reunion of Children": "There are no good days for people, and there are no red days for flowers; If you don't count early, you will be empty afterwards. "