James 5:12
Above all things, my brethren, don't swear, neither by the heaven, nor by the earth, nor use any other oath; but let your affirmation, or negation, be sincere, lest you fall under condemnation.
Matthew 23:16-22
wo unto you, ye blind guides, who say, if any man swear by the temple he is under no obligation: but if he swear by the gold of the temple, he is bound by his oath.
Matthew 5:33-37
Again, ye have heard that it hath been said to the antients, "Thou shalt not for swear thy self, but shalt perform unto the Lord thine oaths."
Hebrews 6:16-17
for when men swear by a superior, the ratifying what they say with an oath, puts an end to all further debate.
Matthew 26:63-64
but Jesus made no reply. and the high priest said to him, I conjure thee by the living God, to tell us, are you the Christ the son of God?
2 Corinthians 1:23
I call God to witness, and may I die if it is not true, that the reason of my not coming yet to Corinth, was to avoid using any severity towards you.