James 5:12
Above all, my brothers, never swear an oath, either by heaven or by earth or by anything else; let your "yes" be a plain "yes," your "no" a plain "no," lest you incur judgment.
Matthew 23:16-22
Woe to you, blind guides that you are! you say, 'Swear by the sanctuary, and it means nothing; but swear by the gold of the sanctuary, and the oath is binding.'
Matthew 5:33-37
Once again, you have heard how the men of old were told, 'You must not forswear yourself but discharge your vows to the Lord'.
Hebrews 6:16-17
For as men swear by a greater than themselves, and as an oath means to them a guarantee that ends any dispute,
Matthew 26:63-64
Jesus said nothing. Then the high priest addressed him, "I adjure you by the living God, tell us if you are the Christ, the Son of God!"
2 Corinthians 1:23
I call God to witness against my soul, it was to spare you that I refrained from revisiting Corinth.