No evil or good people, just people who do good things and people who do bad things. Even 'evil' people did good things, take the example of Mussolini in Italy, when I was in Rome I spoke to some Italians and they considered the man was an important figure in Italian history despite fascism.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you
