9 Bible Verses about Not Swearing Oaths

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 ye fall into condemnation.

And ye shall not swear by my name falsely, neither shalt thou profane the name of thy God: I am the LORD.

That ye come not among these nations, these that remain among you; neither make mention of the name of their gods, nor cause to swear by them, neither serve them, nor bow yourselves unto them:

By swearing, and lying, and killing, and stealing, and committing adultery, they break out, and blood toucheth blood.

All things come alike to all: there is one event to the righteous, and to the wicked; to the good and to the clean, and to the unclean; to him that sacrificeth, and to him that sacrificeth not: as is the good, so is the sinner; and he that sweareth, as he that feareth an oath.

But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.

Though thou, Israel, play the harlot, yet let not Judah offend; and come not ye unto Gilgal, neither go ye up to Bethaven, nor swear, The LORD liveth.

(For those priests were made without an oath; but this with an oath by him that said unto him, The Lord sware and will not repent, Thou art a priest for ever after the order of Melchisedec:)