Baltasar Gracián y Morales, S.J. (Spanish: [baltaˈsaɾ ɣɾaˈθjan]; 8 January 1601 – 6 December 1658), better known as Baltasar Gracián, was a Spanish Jesuit and Baroque prose writer and philosopher. He was born in Belmonte, near Calatayud (Aragón). His writings were lauded by Schopenhauer and Nietzsche. Source: Wikipedia (en)