Conference given by José María López Sevillano in the course “Challenges for a new humanism, thinking, art and education “, in the Fourth Fernando Rielo School for Humanities, Metaphysics and Mystical Studies of the Menéndez Pelayo International University, the Fernando Rielo Foundation and the Idente Foundation for Studies and Research. Magdalena Palace (Santander, Spain). July 18-21, 2017