Hebrews 6:15-17

Darby Translation

¹⁵ and thus, having had long patience, he got the promise.

¹⁶ For men indeed swear by a greater, and with them the oath is a term to all dispute, as making matters sure.

¹⁷ Wherein God, willing to shew more abundantly to the heirs of the promise the unchangeableness of his purpose, intervened by an oath,