Bible Verses About Swearing Falsely: Forbidden

And ye shall not swear by my name falsely, and profane the name of thy God: I am Jehovah.

When a man voweth a vow unto Jehovah, or sweareth an oath to bind his soul with a bond, he shall not break his word; he shall do according to all that proceedeth out of his mouth.

Again, ye have heard that it was said to them of old time, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths: