The Oration by philosopher Giovanni Pico della Mirandola (1463-1494), to which later editors added the subtitle On the Dignity of Man, is the most famous text written in Italy at the height of the Renaissance. The Life of Giovanni by Gianfrancesco Pico, his nephew, is the only contemporary account of the philosopher's brief and astonishing career--Giovanni, who challenged anyone to debate him on nine hundred theses in Rome, whose...