What is related to the slander from which we are commanded to be purified is not the essence of the attribute, rather it is the essence of the purpose. A person is not purified from greed, but rather he is purified from spending the desire to collect the debris of the world and its forbidden things. He is purified by the same eagerness according to the ruling of what he is purified from by the way as well, which is that he is purified by the desire to seek knowledge and acquire knowledge. Reasons for good