A Clockwork Orange is largely a parable about free will. Ludovico's Technique is a scientific method for taking moral choice away from troublesome criminals. After being conditioned, the person subjected to this treatment feels intense pain and nausea whenever he has a violent thought. Nonetheless, the criminal is forced to be good. The criminal's own brain becomes a police state and as Alex puts it when he had a violent thought, "skorry as a shot …showed first 75 words of 869 total…

…showed last 75 words of 869 total…that’s the way he desired to be. In no way do I condone behavior of the sort, but at least he was being true to himself. To say Alex was reformed having undergone Ludovico’s Technique is nonsense. On the outside, to the average citizen passing him on the street, Alex was a changed man, but on the inside Alex was nothing more than a brainwashed human and a victim of a corrupt government.