Shvetketu, a young man, came back from the university full of knowledge. He was a brilliant student, he had topped the university with all the medals and all the degrees that were possible, available. He came back home with great pride. His old father, Uddalak, looked at him and asked him a single question. He said to him, "You have come full of knowledge, but do you know the knower? You have accumulated much information, your consciousness is full of borrowed wisdom -- but what is this consciousness? Do you know who you are?" Shvetketu said, "But this question was never raised in the university. I have learned the Vedas, I have learned language, philosophy, poetry, literature, history, geography. I have learned all that was available in the university, but this was not a subject at all. You are asking a very strange question; nobody ever asked me in the university. It was not on the syllabus, it was not in my course." Uddalak said, "You do one thi...