Bible Verses About Oaths: By the Lord

Now therefore arise, go forth, and speak comfortably unto thy servants; for I swear by Jehovah, if thou go not forth, there will not tarry a man with thee this night: and that will be worse unto thee than all the evil that hath befallen thee from thy youth until now.

And the king sent and called for Shimei, and said unto him, Did I not adjure thee by Jehovah, and protest unto thee, saying, Know for certain, that on the day thou goest out, and walkest abroad any whither, thou shalt surely die? and thou saidst unto me, The saying that I have heard is good.