"Not only is the chanter of the maha-mantra purified, but the heart of anyone who happens to hear the transcendental vibration of Hare Krsna, Hare Krsna, Krsna Krsna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Hare is also cleansed. Even the souls embodied in lower animals, insects, trees and other species of life also become purified and prepared to become fully Krsna conscious simply by hearing the transcendental vibration. This was explained by Thakura Haridasa when Caitanya Mahaprabhu inquired from him how living entities lower than human beings can be delivered from material bondage. Haridasa Thakura said that the chanting of the holy names is so powerful that even if one chants in the remotest parts of the jungle, the trees and animals will advance in Krsna consciousness simply by hearing the vibration. This was actually proved by Sri Caitanya Mahaprabhu Himself when He passed through the forest of Jharikhanda. At that time the tigers, snakes, deer and all other animals abandoned their natural animosity and began chanting and dancing in sankirtana. Of course, we cannot imitate the activities of Sri Caitanya Mahaprabhu, but we should follow in His footsteps. We are not powerful enough to enchant the lower animals such as tigers, snakes, cats and dogs or entice them to dance, but by chanting the holy names of the Lord we can actually convert many people throughout the world to Krsna consciousness."
(The Nectar of Instruction, Text 4, Purport)
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