Cor mundum crea in me, Deus. R. Create a clean heart in me, O God. Have mercy on me, O God, in your goodness; in the greatness of your compassion wipe out my offense. Thoroughly wash me from my guilt and of my sin cleanse me. R. Create a clean heart in me, O God. A clean heart create for me, O God, and a steadfast spirit renew within me. Cast me not out from your presence, and your Holy Spirit take not from me. R. Create a clean heart in me, O God. Give me back the joy of your salvation, and a willing spirit sustain in me. I will teach transgressors your ways, and sinners shall return to you. R. Create a clean heart in me, O God.