'Swear' in the Bible

And thou shalt swear, The LORD liveth, in truth, in judgment, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.

And though they say, The LORD liveth; surely they swear falsely.

Will ye steal, murder, and commit adultery, and swear falsely, and burn incense unto Baal, and walk after other gods whom ye know not;

And it shall come to pass, if they will diligently learn the ways of my people, to swear by my name, The LORD liveth; as they taught my people to swear by Baal; then shall they be built in the midst of my people.

But if ye will not hear these words, I swear by myself, saith the LORD, that this house shall become a desolation.

And hast given them this land, which thou didst swear to their fathers to give them, a land flowing with milk and honey;