[Psa. 5:9 says], "Their throats are like open graves [i.e., they are foul-mouthed]. They have spoken deceitfully." [Psa. 90:3 says], "There is snake venom under their lips [i.e., their words are deadly]."

or thieves, or avaricious men, or drunkards, or foul-mouthed men, or extortioners will inherit the kingdom of God.

But now you must rid yourselves of every kind of sin--angry and passionate outbreaks, ill-will, evil speaking, foul-mouthed abuse--so that these may never soil your lips.