De Agricultura

And we would say to these people: My good men, the lawgiver is removing no protection whatever from the ruler, nor is he in any respect mutilating the army of his power which he has collected, by cutting off the force of cavalry which is the most efficient part of his army; but he is endeavouring to the best of his power to increase and strengthen it, in order that his allies, contributing to its strength and number, may most easily destroy their enemies.