Thematic Bible: Speaking evil of, forbidden

Yet, these dreamers also in like manner defile the flesh, despise government, and speak evil of dignitaries. But Michael the archangel, when, contending with the devil, he disputed about the body of Moses, durst not bring a railing accusation, but said: The Lord rebuke you. But these speak evil of the things which they know not: and those things which they know naturally, as animals without reason, in these they corrupt themselves.