As posted on Facebook by friend Laura and originally put on the Prairie Home Companion Joke Show a couple years ago (Oddwalk and wives plan to see the traveling show live in St. Louis later this month!) —
Jesus and his disciples were walking around one day, when Jesus said, “The Kingdom of Heaven is like 3x squared plus 8x minus 9.” The disciples looked very puzzled, and finally asked Peter, “What on earth does Jesus mean — the Kingdom of Heaven is like 3x squared plus 8x minus 9? Peter said, “Don’t worry. It’s just another one of his parabolas.”