Numbers 5:19-20

JPS_ASV_Byz(i) 19 And the priest shall cause her to swear, and shall say unto the woman: 'If no man have lain with thee, and if thou hast not gone aside to uncleanness, being under thy husband, be thou free from this water of bitterness that causeth the curse; 20 but if thou hast gone aside, being under thy husband, and if thou be defiled, and some man have lain with thee besides thy husband -