Out of the mouths...

Dear Lord," the preacher began with arms extended and a rapturous look on
his upturned face, "without you we are but dust..."

He would have continued, but at that moment one very obedient little girl
(who was listening carefully) leaned over to her mother and asked quite
audibly in her shrill little girl voice,

"Mommy, WHAT is butt dust?"

Church was pretty much over at that point...