[190] and, finally, with an assurance[103] which is not an expression of bravado, but which, tempered by sobriety, so fortifies the spirit that he is no less at ease in addressing all his fellow-citizens than in reflecting to himself—who does not know that such a man might, without the advantage of an elaborate education and with only a superficial and common training, be an orator such as has never, perhaps, been seen among the Hellenes?