“If we say that we have no sin, we deceive ourselves, and the truth is not in us. If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.” I John NKJV
The only way to combat the enemy's lies is with God's truth. God says, "I am completely forgiven." 1 John "If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness.