6 Bible Verses about Oaths, Divine

For in making a promise to Abraham God swore by himself (since he could swear by none greater), I will indeed bless you and multiply you.

For as men swear by a greater than themselves, and as an oath means to them a guarantee that ends any dispute, God, in his desire to afford the heirs of the Promise a special proof of the solid character of his purpose, interposed with an oath; so that by these two solid facts (the Promise and the Oath), where it is impossible for God to be false, we refugees might have strong encouragement to seize the hope set before us,

to deal mercifully with our fathers and to be mindful of his holy covenant, of the oath he swore to Abraham our father,

(He was a prophet; he knew God had sworn an oath to him that he would seat one of his descendants on his throne;

for the witness to him is, Thou art priest for ever, with the rank of Melchizedek. A previous command is set aside on account of its weakness and uselessness (for the Law made nothing perfect), and there is introduced a better Hope, by means of which we can draw near to God.read more.
A better Hope, because it was not promised apart from an oath. Previous priests became priests apart from any oath, but he has an oath from Him who said to him, The Lord has sworn, and he will not change his mind, thou art a priest for ever. And this makes Jesus surety for a superior covenant. Also, while they became priests in large numbers, since death prevents them from continuing to serve, he holds his priesthood without any successor, since he continues for ever. Hence for all time he is able to save those who approach God through him, as he is always living to intercede on their behalf. Such was the high priest for us, saintly, innocent, unstained, lifted high above the heavens, far from all contact with the sinful, one who has no need, like yonder high priests, day by day to offer sacrifices first for their own sins and then for those of the People ??he did that once for all in offering up himself. For the Law appoints human beings in their weakness to the priesthood; but the word of the Oath appoints a Son who is made perfect for ever.

Therefore I grew exasperated with that generation, I said, 'They are always astray in their heart': They would not learn my ways; so I swore in my anger, 'they shall never enter my Rest.'