Bible Verses About Oaths: God used, to show the immutability of his counsel

and saith, `By Myself I have sworn--the affirmation of Jehovah--that because thou hast done this thing, and hast not withheld thy son, thine only one--

and the ram he maketh a sacrifice of peace-offerings to Jehovah, besides the basket of unleavened things; and the priest hath made its present and its libation.

say unto them, I live--an affirmation of Jehovah--if, as ye have spoken in Mine ears--so I do not to you;