An Explanation of Catholic Morals

An Explanation of Catholic Morals is a clear and methodical presentation of Catholic moral theology written for ordinary Catholics who want to understand how the Church reasons about right and wrong. Originally composed as a series of instructional essays, the book moves carefully from first principles to practical questions, treating conscience, sin, virtue, justice, duty, and the moral law with precision and calm authority.

Rev. John H. Stapleton writes with the assumption that moral life flows from truth, order, and responsibility rather than impulse or sentiment. Each chapter explains moral concepts in plain language while remaining faithful to the Church’s traditional theological framework, drawing from Scripture, reason, and long-standing Catholic teaching.

Free of fashionable speculation and psychological vagueness, this work reflects the pre-conciliar moral tradition in its mature form: structured, intelligible, and grounded in objective moral reality. It serves equally well as a reference, a catechetical aid, or a steady guide for Catholics seeking intellectual clarity in moral matters.

A valuable introduction to Catholic moral theology as it was taught before modern confusions made virtue feel negotiable and conscience feel untethered.