James 5:12
Above all things, my brothers, swear not, neither by heaven, nor the earth, nor any other oath. But let your yes be yes, and your no, no, that you may not fall under condemnation.
Matthew 23:16-22
Woe to you blind guides, who say, Whoever swears by the temple, it is nothing; but whoever swears by the gold of the temple, he is bound.
Matthew 5:33-37
Again, you have heard that it was said by the ancients, You shall not swear falsely, but shall perform to the Lord your oaths.
Hebrews 6:16-17
For men indeed swear by a greater, and an oath for confirmation is to them an end of all dispute;
Matthew 26:63-64
But Jesus was silent. And the chief priest answering, said to him, I adjure you, by the living God, to tell me if you are the Christ, the Son of God.
2 Corinthians 1:23
But I call God to witness on my soul, that to spare you I have not yet come to Corinth.