KJV : Once <0259> have I sworn <07650> (8738) by my holiness <06944> that I will not lie <03576> (8762) unto David <01732>. {that...: Heb. if I lie}
NASB : "Once I have sworn by My holiness; I will not lie to David.
NASB# : "Once<259> I have sworn<7650> by My holiness<6944>; I will not lie<3576> to David<1732>.