• The most difficult subjects can be explained to the most slow- witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him.

    graf Leo Tolstoy, Constance Garnett, David Taffel (2005). “The Kingdom of God is Within You: Christianity Not as a Mystic Religion But as a New Theory of Life”, p.45, Barnes & Noble Publishing