Most Relevant Verses
But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea be yea; and your nay, nay; lest you fall under judgment.
Topics on Swearing Oaths
They have spoken words, swearing falsely in making a covenant: thus judgment springs up like hemlock in the furrows of the field.
More Verses on Swearing Oaths
And Abraham said unto his eldest servant of his house, that ruled over all that he had, Put, I pray you, your hand under my thigh: And I will make you swear by the LORD, the God of heaven, and the God of the earth, that you shall not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:
I have sworn by myself, the word has gone out of my mouth in righteousness, and shall not return, That unto me every knee shall bow, every tongue shall swear.