Leviticus 19:12
12 gYou shall not swear by my name falsely, and so hprofane the name of your God: I am the Lord.
Matthew 5:34–35
34 But I say to you, sDo not take an oath at all, either by heaven, for tit is the throne of God, 35 or by the earth, for it is his footstool, or by Jerusalem, for it is uthe city of the great King.
James 5:12
12 But above all, my brothers, udo not swear, either by heaven or by earth or by any other oath, but let your “yes” be yes and your “no” be no, so that you may not fall under condemnation.