[41] [cap.7] And every one may learn to appreciate the true freedom of which the virtuous man is in the enjoyment from other circumstances. / "No slave can e’er true happiness enjoy." [13] For what can be more miserable than to have no power over anything, not even over one’s self? But then a man is happy, inasmuch as he bears within himself the foundation and complement of virtue and excellence, in which consists the supreme power over all things,... [14] so that beyond all controversy and of necessity the virtuous man is free.