Page:The Outline of History Vol 1.djvu/375

 so because there were no great priestly schools in Greece. And into these discussions this man came, a clumsy and slovenly figure, barefooted, gathering about him a band of admirers and disciples.

His method was profoundly sceptical; he believed that the only possible virtue was true knowledge; he would tolerate no belief, no hope that could not pass the ultimate acid test. For himself this meant virtue, but for many of his weaker followers it meant the loss of beliefs and moral habits that would have restrained their impulses. These weaklings became self-excusing, self-indulging scoundrels. Among his young associates were Plato, who afterwards immortalized his method in a series of philosophical dialogues, and founded the philosophical school of the Academy, which lasted nine hundred years, Xenophon, of the Ten Thousand, who described his death, and Isocrates, one of the wisest of Greek political thinkers; but there were also Critias, who, when Athens was utterly defeated by Sparta, was leader among the Thirty Tyrants appointed by the Spartans to keep the crushed city under; Charmides, who was killed beside Critias when the Thirty were overthrown; and Alcibiades, a brilliant and complex traitor, who did much to lead Athens into the disastrous expedition against Syracuse which destroyed her strength, who betrayed her to the Spartans, and who was at last assassinated while on his way to the Persian court to contrive mischief against Greece. These latter pupils were not