A fire that blazes forth in a place of cremation is never impure, so is a Brahmana either learned or ignorant is always pure. He is superior to a celestials.
यथा श्मशाने दीप्तौजाः पावको नैव दुष्यति। एवं विद्वानविद्वान् वा ब्राह्मणो दैवतं महत्॥