I guess you missed the main point of the quote. If you have power, and your opponents only have the moral high ground, your opponents will lose. According to

I guess you missed the main point of the quote. If you have power, and your opponents only have the moral high ground, your opponents will lose. According to the historical sources (on wikipedia), the Athenians executed all the adult males, and took everybody else into slavery. Much like the situation of the Ukraine. Russia decided it wanted a warm water port, and then took it. Nobody else said anything.