A fool's lips enter into contention, and his mouth calleth for strokes.
Ver. 6. A fool's lips enter into contention.] See Trapp on " Pro 18:5 "
And his mouth calleth for strokes] a By his desire upon others; but by desert and effect upon himself.
a Vehementer doleo, quia vehementer diligo. Atque sit cum maesto vultu, oculis demissis, cum quadam tarditate et vocis plangitu procedit maledictio. - Bernard.