In our spiritual journey, the themes of forgiveness and purity surface repeatedly as we navigate the complexities of our human nature. The Bible provides profound guidance on how to address these issues, particularly through the Lord's Prayer and the heartfelt repentance depicted in Psalm 51. This article explores the teachings of Jesus on forgiveness, the power of repentance, and the struggle with lust, offering biblical wisdom for those seeking to overcome these challenges. We aim to understand the depth of forgiveness as taught by Jesus, draw strength from the contrition of King David, and find practical steps to combat lust through scripture, all while embracing the transformative power of prayer and God's grace.