813 - What is the point of Ash Wednesday?

Be merciful, O Lord, for we have sinned. Ps 51- Even now, says the LORD, return to me with your whole heart, with fasting, and weeping, and mourning https://bible.usccb.org/bible/joel/2?12 when you pray, go to your inner room, close the door, and pray to your Father in secret. And your Father who sees in secret will repay you. https://bible.usccb.org/bible/matthew/6?1. https://bible.usccb.org/bible/2Corinthians/5?20. We are ambassadors for Christ, as if God were appealing through us.