Anger » Grievous words stir up
Then Jephthah gathered together all the men of Gilead, and fought with Ephraim: and the men of Gilead struck down Ephraim, because they said, You Gileadites are fugitives of Ephraim among the Ephraimites, and among the Manassites.
And the men of Israel answered the men of Judah, and said, We have ten parts in the king, and we have also more right in David than you: why then did you despise us, since our advice was first in bringing back our king? And the words of the men of Judah were fiercer than the words of the men of Israel.
A soft answer turns away wrath: but grievous words stir up anger.