That Brahmana who violates the bed of his preceptor, or who takes a pleasure in speaking ill of him, falls away from the status of Brahmanahood even if he knows Brahma.
गुरुतल्पी गुरुद्रोही गुरुकुत्सारतिश्च यः। ब्रह्मविच्चापि पतति ब्राह्मणो ब्रह्मयोनितः॥