6 Bible Verses about Oaths, Divine

For when God made a promise to Abraham, since he could swear by no greater, he swore by himself, saying, "Surely blessing I will bless thee, and multiplying I will multiply thee."

For men indeed swear by one who is greater, and the oath for confirmation is to them an end of all strife. Wherefore God, wishing more abundantly to show to the heirs of the promise the immutability of his purpose, confirmed it by an oath, that by two immutable things, in which it is impossible for God to lie, we may have strong encouragement, who have fled for refuge to lay hold upon the hope set before us;

to accomplish his mercy toward our fathers, and to remember his holy covenant, the oath which he swore to Abraham our father,

Being then a prophet, and knowing that God had sworn to him with an oath that he would set one sprung from his loins upon his throne,

For it is testified of him, "Thou art a priest for ever, after the order of Melchizedek." For on the one hand there takes place an annulling of the commandment which went before, on account of its weakness and unprofitableness, for the Law perfected nothing,and on the other, the bringing in of a better hope, by which we draw near to God.read more.
And inasmuch as it was not without an oath that he was made priest, for they indeed have been made priests without an oath; but he with an oath by him who said to him, "The Lord swore, and will not repent, Thou art a priest for ever," by so much hath Jesus become the surety of a better covenant. And they indeed have been many priests, because they have been prevented from continuing by reason of death; but he, because he abideth ever, hath an unchangeable priesthood; wherefore he is able also to save to the utmost those who come to God through him, since he ever liveth to make intercession for them. For such a highpriest also became us, holy, harmless, undefiled, separate from sinners, and made higher than the heavens; who hath not necessity daily, as the highpriests, to offer up sacrifice first for his own sins, and then for those of the people; for this he did once for all, when he offered up himself. For the Law maketh men highpriests, who have infirmity; but the word of the oath, which was after the Law, maketh the Son, who is perfected for ever.

Wherefore I was offended with that generation, and said, They always err in their heart, but they knew not my ways; so I swore in my wrath, They shall not enter into my rest."