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Whether ye ride on the same car with Indra, or be in the same house with the Wind; whether united with the Sons of Boundlessness or the Ribhus, or stand on Vishnu's wide steps (come to us). This is the best help of the horsemen, if to-day I should entice them to get booty, or call them as my strength to conquer in battle.... Whatever medicine (ye have) far or near, with this now, O wise ones, grant protection.... Awake, O Dawn, the Horsemen, goddess, kind and great.... When, O Dawn, thou goest in light and shinest with the Sun, then hither comes the Horsemen's chariot, to the house men have to protect. When the swollen soma-stalks are milked like cows with udders, and when the choric songs are sung, then they that adore the Horsemen are preëminent....
Here the Açvins are associated with Indra, and even find the evil demon; but, probably, at this stage Indra is more than god of storms.
Some of the expanded myths and legends of the Açvins may be found in i. 118, 119, 158; X. 40. Here follows one with legends in moderate number (vii. 71):
Before the Dawn her sister, Night, withdraweth; The black one leaves the ruddy one a pathway. Ye that have kine and horses, you invoke we; By day, at night, keep far from us your arrow.
Come hither, now, and meet the pious mortal, And on your car, O Horsemen, bring him good things; Keep off from us the dry destroying sickness, By day, at night, O sweetest pair, protect us.
Your chariot may the joy-desiring chargers, The virile stallions, bring at Dawn's first coming; That car whose reins are rays, and wealth upon it; Come with the steeds that keep the season's order.