Matthew 5:34

but I say to you, Swear not at all; neither by Heaven, because it is God's throne;

James 5:12

But above all things, my brethren, swear not, either by Heaven, or by earth, or by any other oath; but let yours be "the yes, yes," and "the no, no"; that ye fall not under condemnation.

Matthew 23:16-22

"Woe to you, blind guides, who say, 'Whosoever swears by the temple, it is nothing; but whosoever swears by the gold of the temple, he is a debtor!'

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