But now ye rejoice in your boastings: all such rejoicing is evil.
But as it is, you boast [falsely] in your presumption and your self-conceit. All such boasting is wrong.
But now ye glory in your vauntings: all such glorying is evil.
But now you boast and brag, and all such boasting is evil.
But now you exult in your arrogance. All such exultation is wicked.
But now you rejoice in your arrogancies. All such rejoicing is wicked.