Complex sentence: Tom defends his concern genuine and his intentions just but realizing she had revealed his own self-deceit of hiding behind rationalization and moralism and that it would jeopardize his career as a philosopher, he decides to personally call the mobsters and turn her over.
Split into simpler sentences: Tom defends his concern genuine and his intentions just but realizes she had revealed his self-deceit of hiding behind rationalization and moralism and that it would jeopardize his career as a philosopher. He decides to personally call the mobsters and turn her over.