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

By my own self have I sworn, saith the Lord: because thou hast done this thing, and hast not spared thy only begotten son for my sake:

But the ram he shall immolate for a sacrifice of peace offering to the Lord, offering at the same time the basket of unleavened bread, and the libations that are due by custom.

Say therefore to them: As I live, saith the Lord: According as you have spoken in my hearing, so will I do to you.