Hebrews 6:15-17

BRG Bible

¹⁵ And so, after he had patiently endured, he obtained the promise.

¹⁶ For men verily swear by the greater: and an oath for confirmation is to them an end of all strife.

¹⁷ Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed it by an oath: