And ye shall not swear by my name falsely, neither shalt thou profane the name of thy God: I am the LORD.
Thou shalt not take the name of the LORD thy God in vain; for the LORD will not hold him guiltless that taketh his name in vain.Exodus 20:7 KJV
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 ye fall into condemnation.James 5:12 KJV
But I say unto you, Swear not at all; neither by heaven; for it is God’s throne:Matthew 5:34 KJV