Volmer: Do you know what the cure for the human condition is? Disease. Because that's the only way one could hope for a cure.
Volmer: Most of my patients have done extraordinary things. Built vast fortunes, commanded great empires... but at a terrible cost. They have no-one who cares from them.
Answer: As a result of the tortures he endured at the hospital, Lockhart lost his mind. At the end, as he pedals away from the hospital and down the road, he grins maniacally because he is now quite mad.
Charles Austin Miller