Better to know a few things which are good and necessary than many things which are useless and mediocre.
What a great treasure can be hidden in a small, selected library! A company of the wisest and the most deserving people from all the civilized countries of the world, for thousands of years, can make the results of their studies and their wisdom available to us. The thought which they might not even reveal to their best friends is written here in clear words for us, people from another century. Yes, we should be grateful for the best books, for the best spiritual achievements in our lives.