chandāṁsy adhīyīta guror
āhūtaś cet suyantritaḥ
upakrame 'vasāne ca
caraṇau śirasā namet
chandāṁsi - mantras in the Vedas, like the Hare Kṛṣṇa mahā-mantra and the Gāyatrī mantra; adhīyīta - one should chant or read regularly; guroḥ - from the spiritual master; āhūtaḥ - being addressed or called (by him); cet - if; su-yantritaḥ - faithful, well behaved; upakrame - in the beginning; avasāne - at the end (of reading Vedic mantras); ca - also; caraṇau - at the lotus feet; śirasā - by the head; namet - one should offer obeisances.