Proverbs 15:18
"A wrathful man stirreth up strife: but he that is slow to anger appeaseth strife."
Cross References (ranked by relevance)
A soft answer turneth away wrath: but grievous words stir up anger.
As coals are to burning coals, and wood to fire; so is a contentious man to kindle strife.
Blessed are the peacemakers: for they shall be called the children of God.
An angry man stirreth up strife, and a furious man aboundeth in transgression.
He that is slow to wrath is of great understanding: but he that is hasty of spirit exalteth folly.
If the spirit of the ruler rise up against thee, leave not thy place; for yielding pacifieth great offences.
A froward man soweth strife: and a whisperer separateth chief friends.
Hatred stirreth up strifes: but love covereth all sins.
He that is of a proud heart stirreth up strife: but he that putteth his trust in the LORD shall be made fat.
By long forbearing is a prince persuaded, and a soft tongue breaketh the bone.