Matthew 5:33-37

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

Matthew 23:16-22

Wo unto you, ye blind guides, who say, If any one swear by the temple, it is nothing;

James 5:12

But above all, my brethren, swear not; neither by heaven, nor by the earth, nor any other oath: but let your yea be yea, and your nay nay; that ye may not fall under condemnation.

Treasury of Scripture Knowledge

Summary

Hereby ye shall be proved: By the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.

Bible References

By the life

Matthew 5:33
Again, ye have heard, that it was said to the ancients, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths:
Matthew 23:16
Wo unto you, ye blind guides, who say, If any one swear by the temple, it is nothing;
James 5:12
But above all, my brethren, swear not; neither by heaven, nor by the earth, nor any other oath: but let your yea be yea, and your nay nay; that ye may not fall under condemnation.