A pastor finished his message early one Sunday and he wanted to check his congregation’s understanding. So he asked, “Can anyone tell me what you must do before you can obtain forgiveness of sin?” There was a short pause and then, from the back of the room, a small boy spoke up, “You have to sin.”
(Taken from an illustration by Dana Chau, entitled "A Prerequisite To Forgiveness", on 6/25/2002, https://www.sermoncentral.com/sermon-illustrations/8400/forgiveness-by-dana-chau)