"The importance of holy places of pilgrimage is due to the presence of great sages and saints. It is said that sinful persons go to the holy places and leave their sins there to accumulate. But the presence of the great saints disinfects the accumulated sins, and thus the holy places continue to remain sanctified by the grace of the devotees and saints present there."
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(Srimad-Bhagavatam, 1.19.30, Purport)
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