Conscience is the innermost reality of our personality. What is the nature of conscience and moral decision making? Msgr. Jeremiah McCarthy discusses the most distinctive aspect of our humanity. “The Christian moral life is one that seeks to cultivate and practice virtue. “A virtue is a habitual and firm disposition to do the good. It allows the person not only to perform good acts, but to give the best of himself” (CCC, no. 1803). An effective moral life demands the practice of both human and theological virtues." Click here for the Study Guide.