Isaiah 60:19-20

The sun will no longer supply light for you by day, nor will the moon’s brightness shine on you; the Lord will be your permanent source of light—the splendor of your God will shine upon you. Your sun will no longer set; your moon will not disappear;the Lord will be your permanent source of light; your time of sorrow will be over.

The Lord Jesus is our permanent source of light and ends our sorrow - that is the truth of it. We have hope because of Jesus, we have life because of Jesus, we have eternity to spend with the Triune God because of Jesus. Through His resurrection our sins are washed away, whiter than snow. Everything revolves around the Son! Delight in the Lord Jesus, believe on He who gave everything for you.