One does not need buildings, money, power, or status to practice the Art of Peace. Heaven is right where you are standing, and that is the place to train.
Bio: Pedro Calderón de la Barca y Barreda González de Henao Ruiz de Blasco y Riaño, usually referred as Pedro Calderón de la Barca, was a dramatist, poet and writer of the Spanish Golden Age.