Every cycle of reincarnation in this world will always change a lot, but if you have existed before, you will definitely leave your footprints. You have seen the beauty of this world, you have seen the sun shining, you have seen the moon turn and the stars move, and naturally you have also seen the dark clouds and the In the boundless dark sky after the moon and stars recede, your footprints are left on the land. Under the sun, including the dark night, the meaning of life lies in the occasional warmth that makes you happy and nostalgic in the ever-changing world. This is the mark of your existence.