They knew everything, the Brahmans and their holy books, they knew everything, they had taken care of everything and of more than everything, the creation of the world, the origin of speech, of food, of inhaling, of exhaling, the arrangement of the senses, the acts of the gods, they knew infinitely much--but was it valuable to know all of this, not knowing that one and only thing, the most important thing, the solely important thing?