To practice means to perform, in the face of all obstacles some act of vision, of faith, of desire. Practice is a means of inviting the perfection desired.
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.