4 Bible Verses about Swearing Being Forbidden

You shall not take the name of the LORD your God in vain; for the LORD will not hold him guiltless that takes his name in vain.

And you shall not swear by my name falsely, neither shall you profane the name of your God: I am the LORD.

But I say unto you, Swear not at all; neither by heaven; for it is God's throne:

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.