Obviously if any actions, even a lunatic's, can be causeless, determinism is done for. If the chain of causation can be broken for a madman, it can be broken for a man.
But to see her was to love her, Love but her, and love forever. Had we never lou'd sae kindly, Had we never lou'd sae blindly, Never met - or never parted - We had ne'er been broken hearted
To become reconciled to a friend with whom you have broken, is a form of weakness; and you pay the penalty of it when he takes the first opportunity of doing precisely the very thing which brought about the breach.
How strange to have failed as a social creature—even criminals do not fail that way—they are the law's "Loyal Opposition," so to speak. But the insane are always mere guests on earth, eternal strangers carrying around broken decalogues that they cannot read.
I'm one-hundred-fifty miles off Cape Horn, both autopilots are broken, and my boat is drifting toward one of the nastiest chunks of ocean on the face of the earth.