śrute 'pi nāma-māhātmye yaḥ prīti-rahito naraḥ ahaṁ-mamādi-paramo nāmni so 'py aparādha-kṛt [Padma Purāṇa, Brahma-khaṇḍa

If one has heard the glories of the transcendental holy name of the Lord but nevertheless continues in a materialistic concept of life, thinking, "I am this body and everything belonging to this body is mine ," and does not show respect and love for the chanting of the Hare Krsna maha-mantra, that is an offense.