"The emblem of Hanumān on the flag of Arjuna is another sign of victory because Hanumān cooperated with Lord Rāma in the battle between Rāma and Rāvaṇa, and Lord Rāma emerged victorious. Now both Rāma and Hanumān were present on the chariot of Arjuna to help him. Lord Kṛṣṇa is Rāma Himself, and wherever Lord Rāma is, His eternal servitor Hanumān and His eternal consort Sītā, the goddess of fortune, are present. Therefore, Arjuna had no cause to fear any enemies whatsoever."
(Bhagavad-gītā As It Is 1.20, Purport)
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