Act of Contrition

HAVE mercy upon me, O God, according to Thy great mercy: and according to the multitude of Thy tender mercies blot out my iniquity. O who will give water to my head, and a fountain of tears to my eyes, that, day and night, I may bewail my sins? O that I had never offended so good a God! O that I had never sinned! Happy those souls that have always perserved their baptismal innocence! Lord, be merciful to me a sinnner; Holy Jesus, Son of the Living God, have mercy upon me.