In days of yore, the foremost of celestial Rishis, viz., Brihaspati, who was a disciple of Manu bowed to his preceptor and addressing that king and first of all creatures, said,-What is the origin of the universe? Whence have the ordinances originated? What are those fruits attributed by the learned to Knowledge? Tell me also truly, O illustrious one, what is that which the Vedas have not been able to show?