[40] Unless, indeed, any one would say that a man who has bought a lion has become the master of the lion, when if he merely look with a threatening glance at him he will soon learn to his cost what kind of a master, what a savage and ferocious tyrant he has purchased. What shall we say then? Shall we not look upon a wise man as more difficult to enslave than a lion, when he in his freedom and invincible soul has much more courage than any creature can have which consists of a body which is by nature a slave, however great his strength may be by which he resists his masters.