From the many Dharma Shastras (treatise on duty), Lord Swaminarayan has chosen the Smruti of Yagnavalkya (son of Brahmarshi Yagnavalka or Devraata) as the eighth and final Shastra - Yagnavalkya Smruti. Thus, these are the eight Sat-Shastras. They extol the true form and nature of Ishwara and for that reason, Lord Swaminarayan favours them. He cherishes them as they are for the betterment of man. These Shastras are foremost and the best of Hindu scriptures, as a result they are a great benefit to man for deriving eternal bliss: