2 Kings 6:30

And it came to pass, when the king heard the words of the woman, that he rent his clothes, in uncontrollable grief and horror; and he passed by upon the wall, and the people looked, and, behold, he had sackcloth within, as his undergarment, upon his flesh, the symbol of humility, which in his case, however, was more in the form of a mechanical exercise of penance.