Evil had to manifest itself and fulfill its role, so that ultimately Good could prevail. [...] Evil needs to manifest itself, for them to understand the value of Good.
For the good are always the merry, / Save by an evil chance,/ And the merry love the fiddle,/ And the merry love to dance: / And when the folk there spy me,/ They will all come up to me, / With,”Here is the fiddler of Dooney!” / And dance like a wave of the sea.
So far as we are human, what we do must be either evil or good: so far as we do evil or good, we are human: and it is better, in a paradoxical way, to do evil than to do nothing: at least we exist.
There were times when it appeared to Dorian Gray that the whole of history was merely the record of his own life, not as he had lived it in act and circumstand, but as his imagination had created it for him, as it had been in his brain and in his passions. He felt that he had known them all, those strange terrible figures that had passed across the stage of the world and made sin so marvellous, and evil so full of subtlety. It seemed to him that in some mysterious way their lives had been his own.
This is the crux of the moral pessimists: if they really wanted to promote their neighbor's redemption, then they would have to resolve themselves to spoiling existence for him, and thus to being his misfortune; out of pity, they would have to--become evil!
Is there not in every human soul a primitive spark, a divine element, incorruptible in this world and immortal in the next, which can be developed by goodness, kindled, lit up, and made to radiate, and which evil can never entirely extinguish.
It is known, to the force of a single pound weight, what the engine will do; but, not all the calculators of the National Debt can tell me the capacity for good or evil, for love or hatred, for patriotism or discontent, for the decomposition of virtue into vice, or the reverse.
Being against evil doesn't make you good. Tonight I was against it and then I was evil myself. I could feel it coming just like a tide... I just want to destroy them. But when you start taking pleasure in it you are awfully close to the thing you're fighting.