6 Bible Verses about Oaths, Divine

For God having promised Abraham, since he had no greater one by whom to swear, swore by himself, saying, If indeed blessing I will bless thee, and multiplying I will multiply thee:

For men swear by the greater: and an oath of confirmation is to them an end to all controversy: but God, in this wishing more abundantly to show forth to the heirs of the promise the immutability of his counsel, confirmed it by an oath: that through two immutable things in which it was impossible that God should lie, we who have fled may have a strong consolation to lay hold of the hope set before us,

to execute mercy with our fathers, and remember His holy covenant, the oath which He swore to Abraham our father:

Therefore being a prophet and knowing that God swore with an oath, that from the fruit of his loins One should sit upon the throne;

For it is testified, Thou art a priest forever after the order of Melchizedek. For there is a disannulling of the preceding commandment, on account of its weakness and inadequacy for the law made nothing perfect, but the bringing in of a better hope, by which we draw nigh unto God.read more.
And in as much as it is without an oath, for the priests were made without an oath; but He with an oath through the one saying to him, The Lord hath sworn, and will not regret it; thou art a priest forever; insomuch that Jesus has also been made the mediator of a better covenant. And indeed many have been made priests, because they were prohibited by death from continuing: but he, because he abides forever, has an unchangeable priesthood: wherefore he is also able to save to the uttermost those coming unto God through him, ever living to intercede for them. For such a high priest was indeed appropriate unto us, holy, free from sin, undefiled, having been separated from the sinners, and being higher than the heavens; who had not daily need, as the high priests, first to offer up sacrifices for their own sins, then those of the people: for he did this, having offered up himself once. For the law institutes men high priests, having infirmity; but the word of the oath, which is after the law, the Son, having been made perfect forever.

Therefore I was provoked with this generation, and I said, They do always err in their heart: and they have not known my way, as I swore in my wrath, They shall not enter into my rest.