““A sage said to his son: You must concern yourself with knowledge, for the least benefi t it confers upon the person possessing it is that he does not remain alone,” because knowledge is always there to keep him company. I am happy with loneliness, Having taken knowledge for company, Having withdrawn from the people, And approving of forgetting and of being forgotten. This sentiment was, however, more commonly voiced in connection with books, those best companions and friends a man could have””