[ineedasername]

I always found this ironic. The answer to someone who wants to watch things burn is to, in effect, give them what they want and burn things down, on a smaller scale though, I guess?

[Apocryphon]

Or perhaps by fighting such a man, you end up fulfilling their desires.

[ineedasername]

Which gives them what they want either way-- you either don't fight and let them burn the world, or burn it for them. I suppose a 3rd option would be to change their mind, but that seems a long shot.

[kthejoker2]

From the same film ...

You either die a hero or live long enough to become the villain.

Thematically consistent, you might say.