"[My educators] did not pretend to believe that everyone is educable, for they knew, on the contrary, that very few are educable, very few indeed. They saw this as a fact of nature, like the fact that few are six feet tall. [...] They accepted the fact that there are practicable ranges of intellectual and spiritual experience which nature has opened to some and closed to others."

Alfred Nock. (sentiments, which I share- in some slight regard of affinity to)