Psalms 51:1-4

Have mercy on me, O God, because of your unfailing love. Because of your great compassion, blot out the stain of my sins. Wash me clean from my guilt. Purify me from my sin. For I recognize my rebellion; it haunts me day and night. Against you, and you alone, have I sinned; I have done what is evil in your sight. You will be proved right in what you say, and your judgment against me is just.