Hymns of the Atharva Veda, by Ralph T.H. Griffith, [1895], at sacred-texts.com

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HYMN LXII

A prayer for the overthrow of enemies

1Like a car-warrior, Agni here, grown mighty, Lord of the brave,
  Chief Priest, hath conquered footmen.
  Laid on earth's centre he hath flashed and glittered. Low may
   he lay our enemies beneath us.