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The Arya Samaj is a reformist movement of Hinduism that was founded in 1875 by Swami Dayananda Saraswati. The movement's goal is to return Hinduism to its original, pure form, which it believes has been corrupted by superstition and ritualism. The Arya Samaj advocates the use of reason and logic in interpreting the Vedas, and it rejects the caste system.