Proverbs 22:26
"Be not thou one of them that strike hands, or of them that are sureties for debts."
Cross References (ranked by relevance)
Proverbs 11:15
He that is surety for a stranger shall smart for it: and he that hateth suretiship is sure.
Proverbs 17:18
A man void of understanding striketh hands, and becometh surety in the presence of his friend.
Proverbs 27:13
Take his garment that is surety for a stranger, and take a pledge of him for a strange woman.