Macbeth's self-justifications were feeble - and his conscience devoured him. Yes, even Iago was a little lamb too. The imagination and the spiritual strength of Shakespeare's evildoers stopped short at a dozen corpses. Because they had no ideology.
Aleksandr SolzhenitsynIdeology - that is what gives evildoing its long-sought justification and gives the evildoer the neccessary steadfastness and determination... Thanks to ideology, the twentieth century was fated to experience evildoing on a scale calculated in the millions.
Aleksandr Solzhenitsyn