"O Maitreya, the Rg, Yajur, Sama and Atharva Vedas as well as the Itihasas and the Puranas all manifest from the breathing of the Lord." (Madhyandina-sruti, Brhad-aranyaka Upanisad 2.4.10)
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"The Rg, Sama, Yajur and Atharva became manifest from the Lord, along with the Puranas and all the Devas residing in the heavens." (Atharva Veda 11.7.24)
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