At my Unitarian-Universalist church, we recently had a guest speaker named Ron Robinson who happened to be a Methodist minister and a college professor of religion. He was on the more liberal side of Christianity (the UU church has many members of all points of view, religious and non-religious) and he made a joke that pokes fun at the logic of the creation-fall theology of many conservative Christians.
The joke is a story about a boy named Johnny. For days and days, Johnny kept praying to God for a bicycle. After much time and much praying, he got fed up. He sternly asked his mother why God has not given him a bicycle. She told him that God does not work like that, you pray to God to forgive you of your sins. So the next day Johnny prays to God and says "Dear God, thank you for forgiving me for taking Kenny's bicycle".