Proverbs 17:18

A man void of understanding striketh hands, and becometh surety in the presence of his friend.

Cross-reference

Proverbs 6:1-5 warns against becoming surety for a neighbor and advises escape, directly addressing the same foolish pledge.

Proverbs 11:15 states that guaranteeing a stranger's debt brings harm, contrasting with security—same pledge warning.

Proverbs 20:16 instructs taking collateral from one who guarantees a stranger's debt, a related practice to the pledge warning.

Proverbs 22:26 gives the same warning against giving pledges — a direct parallel reinforcing the wisdom against surety.

Job 17:3 Allusion

Job 17:3 directly echoes the plea for a guarantor — Job asks God to be his pledge, illustrating the same concept of security.