Numbers 5:14 (BSB)

and if a feeling of jealousy comes over her husband and he suspects his wife who has defiled herself—or if a feeling of jealousy comes over him and he suspects her even though she has not defiled herself—

From Numbers 5. Also in the ESV.

Commentary on Numbers 5:14

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 5:11-31: We have here the law concerning the solemn trial of a wife whose husband was jealous of her. Observe, I. What was the case supposed: That a man had some reason to suspect his wife to have committed adultery, Num 5:12-14. Here, 1. The sin of adultery is justly represented as an exceedingly sinful sin; it is going aside from God and virtue, and the good way, Pro 2:17.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 5:14: And the spirit of jealousy come upon him,.... A thought rises up in his mind, a strong suspicion works in him, which he cannot resist and throw off, but it remains with him, and makes him very uneasy, that his wife has defiled his bed, as it follows: and he be jealous of his wife, and she be defiled; that his wife is defiled by...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Numbers 5:11-31: Num 5:11-31 Sentence of God upon Wives Suspected of Adultery. - As any suspicion cherished by a man against his wife, that she either is or has been guilty of adultery, whether well-founded or not, is sufficient to shake the marriage connection to its very roots, and to undermine, along with marriage, the foundation of the civil commonwealth, it was of the greatest importance to...