'Boasting' in the Bible

You must be truthful, honest and upright when you take an oath saying, 'As surely as the Lord lives!' If you do, the nations will pray to be as blessed by him as you are and will make him the object of their boasting."

I am against those who prophesy false dreams”—the Lord’s declaration—“telling them and leading My people astray with their falsehoods and their boasting. It was not I who sent or commanded them, and they are of no benefit at all to these people”—this is the Lord’s declaration.

I know his gall," declares the LORD, "and it's futile; the boasting that they do is futile.