My wife is getting real fond of me telling her when a preacher gets something wrong (I doubt she is actually fond of this) and I can only imagine what people would say about my sermons! But Trevin Wax has a great post on urban legends that spread in the church.
Wax has a list of seven things we hear often from the pulpit that are wrong. My favorites to point out to my wife are “2. The high priest tied a rope around his ankle so that others could drag him out of the Holy of Holies in case God struck him dead” & “6. Gehenna was a burning trash dump outside Jerusalem.”
Check out the rest of the list, and stop spreading these legends!