The three great masters of the Renaissance Leonardo, Michelangelo, Raphael] strove to work in the spirit of that age. And the one who already had a kind of seed, I would say, that grew into everything that has come and is still to come since that time was Leonardo. - Rudolf Steiner, Dornach, November 1, 1916.A single lecture given by Rudolf Steiner at Berlin on February 13th 1913, translated by Peter Stebbing, and edited by James D. Stewart, the e.Librarian at the Rudolf Steiner Archive & e.Lib. It is the eleventh of fourteen lectures in the volume entitled, Results of Spiritual Investigation, published in German as, Ergebnisse der Geistesforschung. From GA 62.