Proverbs 26:17
"He that passeth by, and meddleth with strife belonging not to him, is like one that taketh a dog by the ears."
Cross References (ranked by relevance)
Proverbs 20:3
It is an honour for a man to cease from strife: but every fool will be meddling.
Luke 12:14
And he said unto him, Man, who made me a judge or a divider over you?
Proverbs 18:6
A fool’s lips enter into contention, and his mouth calleth for strokes.
Proverbs 17:11
An evil man seeketh only rebellion: therefore a cruel messenger shall be sent against him.