Category Archives: ethics

Contraception does not destroy the Unitive or Marital meanings

A set of heresies is being propagated on the topic of contraception and sexual ethics by unfaithful Catholic teachers. Previously, I wrote about the heresy claiming that contraception only applies to a valid marriage. Today, I address the claim that … Continue reading


Which Persons Are Virgins?

According to canon lawyer Ed Peters: “a woman who has not freely engaged in penile-vaginal sexual intercourse is a ‘virgin’ while one who has engaged in that act is not.” This ridiculously narrow definition permits a woman to commit all … Continue reading

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The Three Fonts of Morality (continued)

Free Will and Ends Human free will is the source of each of the three fonts. The human person chooses, by an exercise of free will, an intended end. The person is not compelled to choose any particular end; he … Continue reading

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The Three Fonts of Morality

A human act is a knowing choice made by a human person. Every human act is an exercise of free will, making a choice based on knowledge in the intellect. Each choice is an act. All acts are subject to … Continue reading

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Nuclear Weapons and Catholic Ethics

The recent Popes have spoken against nuclear weapons and nuclear proliferation. They have repeatedly called for total disarmament worldwide. They have also condemned the use and even the possession of these weapons. Second Vatican Council: “Any act of war aimed … Continue reading

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Which Acts Are Sins?

In Catholic teaching, the morality of human acts is determined by three fonts (from the Latin word for sources). An act is a deliberate knowing choice; it is an exercise of free will and reason. Each human act is moral … Continue reading

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Wifely Obedience in Catholic Teaching

True Marriage There are only two types of true marriage before the eyes of God, a merely natural marriage, and the Sacrament of holy Matrimony. Natural marriage was established when Adam and Eve were created, that is, at the beginning … Continue reading

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On Cooperation with a Contracepting Spouse

Suppose that one spouse in a marriage wishes to use contraception, and the other spouse, following Catholic teaching, wishes to have natural marital relations open to life. Can the couple have sexual relations, if one spouse is committing the sin … Continue reading

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How To Decide Right from Wrong

The Catholic Church has certain clear teachings on which acts are moral, and which are immoral. For example, good acts include: prayer, self-denial, and the works of mercy. Bad acts include theft, lying, murder, contraception, abortion, and the various sexual … Continue reading

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The Two Types of Usury

[Exodus] {22:25} If you lend money to the poor of my people who live among you, you shall not coerce them like a collector, nor oppress them with usury. [Psalm 14] (15) {14:1} A Psalm of David. O Lord, who … Continue reading

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The Validity of Marriage and Procreation

Consider the following scenarios: 1. After the couple have been married for some time, the husband commits adultery and runs off with his adulteress. The marriage remains valid, as adultery cannot nullify a valid Sacrament. The innocent spouse cannot remarry. … Continue reading

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Q. 4: Can Catholic Spouses use Masturbation in the Context of Natural Intercourse?

No, they cannot. First, masturbation is intrinsically evil and always gravely immoral. The CCC defines masturbation as: “the deliberate stimulation of the genital organs in order to derive sexual pleasure.” [1] This sexual act is non-marital, non-unitive, and non-procreative. It … Continue reading

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Q. 3: Is it Moral for the Wife to climax outside the Natural Marital Act?

Neither the husband, nor the wife, may act, in any way, so as to deliberately climax outside of natural intercourse. This doctrine was taught by Pope Pius XII in his speech to the Address to the Second World Congress on … Continue reading


New book: The Catholic Marriage Bed

My latest book is now available in Kindle format: The Catholic Marriage Bed: Revised Edition [Nov. 2019]. The print edition should be available sometime next week, hopefully. This book addresses a single question in ethics: Which sexual acts are moral … Continue reading

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Common “Ends Justify the Means” Arguments

If you ask any well-informed Catholic, “Does the end justify the means?” they will usually answer correctly: No, it does not. And the Catechism of the Catholic Church states that “the end does not justify the means” exactly twice (1753, … Continue reading

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How the Basic Principles of Ethics apply to Marital Chastity

Proponents of marital unchastity, that is to say, persons who propose that certain kinds of sexual acts, traditionally called unnatural, are moral to use in Christian marriage, never explain the basic principles of ethics. And they never base their claims … Continue reading

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Church Teaching on Unnatural Acts in Marriage

The Church condemns the use of contraception, even in marriage, because contraception deprives sexual acts of their procreative finality. The Church condemns homosexual acts mainly because these acts “close the sexual act to the gift of life”. But unnatural sexual … Continue reading

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Catholics who implicitly support blessing abortion clinics

Fr. Charles Pope explains: That Blessing of an Abortion Center was an Act of Sacrilege. Yes, it was. But what many Catholics do not realize, is that the same type of sacrilege occurs when any Catholic priest or theologian argues … Continue reading

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The Three Moral Objects of Marital Relations

Evil is a deprivation of good; moral evil is a deprivation of a good required by the love of God, and the love of neighbor as self. An intrinsically evil act is an act with evil in its object. Natural … Continue reading

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Basic Principles of Ethics (rejected by some conservative Catholics)

Three Fonts Morality concerns human acts. Each exercise of will and intellect, that is, each knowing deliberate choice, is an act, and is subject to a judgment of conscience and the final judgment of God. The acts of human persons … Continue reading

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