Books are the basis; purity is the force; preaching is the essence; utility is the principle.
A. C. Bhaktivedanta Swami PrabhupadaThe highest summit of spiritual perfection is knowledge of the Supreme Personality of Godhead.
A. C. Bhaktivedanta Swami PrabhupadaA devotee should be fixed in the conclusion that, the spiritual master cannot be subject to criticism and should never be considered equal to a common man.
A. C. Bhaktivedanta Swami PrabhupadaThe Lord has different names according to His different activities. For example, His name is Madhusรผdana because He killed the demon of the name Madhu; His name is Govinda because He gives pleasure to the cows and to the senses
A. C. Bhaktivedanta Swami Prabhupada