Hebrews 6:13-18

Whiston(i) 13 For when God made promise to Abraham, because he could swear by no greater, he sware by himself, 14 Saying, Surely, blessing, I will bless thee, and multiplying, I will multiply thee. 15 And so after he had patiently endured, he obtained the promise. 16 For men 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: 18 That with two immutable things, in which [it was] impossible for God to lie, we might have a strong consolation, who have fled for refuge to lay hold upon the hope set before us: