"The Greeks have done him the honour, without contradiction, to pronounce him the greatest man of their nation; and to be the first of Greece, is easily to be the first of the world. As to his knowledge, we have this ancient judgment of him, "That never any man knew so much, and spake so little as he"; for he was of the Pythagorean sect; but when he did speak, never any man spake better; an excellent orator, and of powerful persuasion."