In these thought-provoking homilies, John Chrysostom, the esteemed Archbishop of Constantinople, explores the intricate role of demons in our lives, likely delivered during his time in Antioch. Each homily addresses pressing concerns the first counters the belief that demons control human destinies, challenging those who resent Gods discipline and question the prosperity of the wicked alongside the suffering of the righteous. The second homily addresses the persistent existence of the devil, asserting that his malevolence can be neutralized through vigilance and the path of repentance. Finally, the third homily emphasizes that sloth leads to evil, while diligence fosters virtue, demonstrating that neither the wicked nor the devil can harm the vigilant. Chrysostom supports his arguments with references to biblical figures like Adam and Job, offering timeless insights. - Summary by Philip Schaff, the translator