Caitanya Caritamrta—Madhyalila-15.108—- For conditioned souls to do devotional service, deity worship is necessary.
936) Whether I know I need to initiation properly by a bona fide spiritual master! Taught by Srila Prabhupada!
—————- If one accepts the Hare Krsna mahä-mantra as a material vibration, he falls down. One should worship and chant the holy name of the Lord by accepting it as the Lord Himself. One should therefore be initiated properly according to revealed scriptures under the direction of a bona fide spiritual master. Although chanting the holy name is good for both the conditioned and liberated soul, it is especially beneficial to the conditioned soul because by chanting it one is liberated. When a person who chants the holy name is liberated, he attains the ultimate perfection by returning home, back to Godhead. —————————