One must be very serious about self-realization and the practice of austerity. Unfortunately, the people of this Age of Kali do not even know the meaning of austerity. Under these circumstances, the Lord has appeared as Śrī Caitanya Mahāprabhu to bestow upon the fallen souls the easiest method of self-realization, technically called ceto-darpaṇa-mārjanam, cleansing of the dirt from the core of one’s heart. This method is extremely simple. Anyone can chant the glorious kṛṣṇa-saṅkīrtana — Hare Kṛṣṇa, Hare Kṛṣṇa, Kṛṣṇa Kṛṣṇa, Hare Hare/ Hare Rāma, Hare Rāma, Rāma Rāma, Hare Hare.