Proverbs 15:18 in the World English Bible
A wrathful man stirs up contention, but one who is slow to anger appeases strife.
Context
17 Better is a dinner of herbs where love is, than a stalled ox and hatred therewith.
18 A wrathful man stirreth up strife: but he that is slow to anger appeaseth strife.
19 The way of the slothful man is as an hedge of thorns: but the way of the righteous is made plain.