'Swore' in the Bible

in order to keep the oath that I swore to your ancestors, to give them a land flowing with milk and honey, as [it is] this day." '" Then I answered and said, "{Let it be so}, O Yahweh."

And you gave to them this land, which you swore to their ancestors to give to them, a land flowing with milk and honey.

So Zedekiah the king swore to Jeremiah in secret, {saying}, "{As Yahweh lives}, who has made for us this life, I will not kill you and I will not give you into the hand of these men who are seeking your life."

And Gedaliah the son of Ahikam, the son of Shaphan, swore to them and to their men, {saying}, "You must not be afraid of serving the Chaldeans. Stay in the land and serve the king of Babylon, and it will go well with you.