since it exercises its power among living beings and in relation to them alone.

True.

Now you may notice that the breeding and nurture of living beings is sometimes the nurture of a single animal and sometimes the common care of creatures in droves.

True.

But we shall find that the statesman is not one who tends a single creature, like the driver of a single ox or the groom who tends a horse; he has more resemblance to a man who tends a herd of cattle or a drove of horses.

That seems to be true, now that you mention it.