When the king asked him what he meant by infesting the sea, the pirate defiantly replied:
The same as you do when you infest the whole world;
but because I do it with a little ship I am called a robber,
and because you do it with a great fleet, you are an emperor.

Augustine: The City of God Against the Pagans (ed. Cambridge University Press, 1998) - ISBN: 9780521468435