6 Bible Verses about Oaths, Divine

For God haying promised Abraham, when he could not swear by a greater, swore by himself, saying, Surely, blessing I will bless you, and multiplying I will multiply you;

For men indeed swear by a greater, and an oath for confirmation is to them an end of all dispute; for which cause, God wishing more abundantly to show to the heirs of the promise the immutability of his purpose, interposed with an oath, that by two immutable things, in which it is impossible for God to lie, we might have strong consolation, who fled to lay hold on the hope set before us,

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

Being therefore a prophet, and knowing that God swore with an oath to him to set a descendant of his on his throne,

For it is testified, Thou art a priest forever, after the order of Melchisedec. For there is an abrogation of the commandment which goes before, on account of its weakness and unprofitableness; for the law made nothing perfect, but was the introduction of a better hope through which we draw nigh to God.read more.
And as he was not [constituted] without swearing,??21 for they were made priests without swearing, but he with swearing by him who says to him, The Lord swore, and he will not change, You are a priest forever;??22 by so much is Jesus the pledge of a better covenant. And they indeed were made many priests, on account of being forbidden by death to continue; but he, on account of his continuing for ever, has a priesthood which passes not away, whence also he is able to save forever those who come to God through him, always living to intercede for them. For such a chief priest also was suitable for us, holy, harmless, undefiled, separated from sinners, and made higher than the heavens, who has no need daily as the chief priests first to present sacrifices for their sins, then for those of the people; for this he did once for all, having offered himself. For the law constitutes men chief priests having infirmity, but the word of the oath which is after the law the Son made perfect forever.

Wherefore I was displeased with that generation and said, They always err in mind, and they did not know my ways, so I swore in my wrath, They shall not enter into my rest.