2 Bible Verses about Boasting, Legitimate

according as it is written, "he that glorieth, should glory in the Lord."

Do ye judge of things by the outward appearance? if any man is confident in himself, that he is Christ's, let him from himself conclude too, that as he is Christ's, even so are we. for though I should more than ever magnify my authority, which the Lord hath given us for your improvement, and not for your ruin, I should have no reason to be ashamed;