not material sound

So this is even in the material field of activities, and what to speak of the spiritual. Therefore we have to hear from the authorities of sruti. Authorities of sruti... Krsna is the original speaker of sruti, or Veda knowledge. Therefore Vedic knowledge is called apauruseya. It is not manufactured or concocted by some mental speculator. It is coming from the Supreme Personality of Godhead, and it was imparted first of all to Lord Brahma, not by personal presentation, but through the heart. Brahma is the original person to understand Vedic knowledge. So after his birth he meditated for hundreds of years, and by meditation, through his heart the knowledge of Vedas, sruti, became revealed. Tene brahma hrda adi-kavaye. Adi-kavi means Brahma, and Brahman means Vedic knowledge. So we have to accept in that way. There is no physical science which can ascertain all this, how the things are taking place. But they are coming. In this way we have to learn from the sruti.    (More...)