That has been admitted.
And such a pilot and ruler will provide and prescribe for the interest of the sailor who is under him, and not for his own or the ruler’s interest?
He gave a reluctant ‘Yes.’
Then, I said, Thrasymachus, there is no one in any rule who, in so far as he is a ruler, considers or enjoins what is for his own interest, but always what is for the interest of his subject or suitable to his art; to that he looks, and that alone he considers in everything which he says and does.