The Vedas with their six limbs and the pada and krama, reside in the mouth of cow. On the horns Hari and Kesava always stay together. …A mortal who everyday bathes and touches a cow, gets relieved from all major sins. He who holds by on his head the dust raised by the hoofs of the cows, has (indeed) bathed in all the sacred places and is free from all sins. (Padma Purana, Srishti Khanda, 48.157-166)

Cows are eternal substratum of fortune