Have mercy, Lord, according to the measure of your love; blot out my sin, and from my heart all sin and guilt remove. The failings of my deeds and thoughts are ever in my sight; release me from the path of death, and set my course aright. Into my secret heart send truth, let wisdom in me grow; O wash the evil from my hands, and make me pure as snow. A clean and upright heart, O Lord, exchange for mine of stone; your Holy Spirit meld with mine, and leave me not alone. A contrite heart is your desire, my offering, the same; my lips unlatch, my mouth engage your praises to proclaim.