5 Bible Verses about Swearing Oaths

Above all, my brothers, do not swear an oath, either by heaven or by the earth, or by anything else; let your "Yes" be a plain Yes, and your "No" a plain No, or you will fall under condemnation.

For men make oath by something greater than themselves, and they accept an oath as settling finally any disagreement they may have.

And the king was sorry, but because he had sworn to do it, and because of the guests who were present, he ordered it to be given to her.