Secondly, a thing is said to be a mortal sin by reason of its cause: thus he who gives an alms, in order to lead someone into heresy, sins mortally on account of his corrupt intention. Independent Reconciliation and Compensation Program for Victim-Survivors of Abuse, How We Are Catholic | Stories on the Journey, Collections for Diocesan, National, and Overseas Needs, Advancement Director, St. Michael the Archangel School, Assistant Superintendent for Secondary & Special Education, Associate Director of Advancement and Alumni Relations, Marian Catholic High School, Family Service Representative, Cemeteries, Mental Health Counselor, Catholic Charities, Music Director, St. Joseph the Worker Parish, Office Manager, Mercy School for Special Learning, Personal Care Aide (PCA), Holy Family Villa, Personal Care Assistant/Medication Technician, Principal, Bethlehem Catholic High School, Principal, St. Ignatius Loyola Regional School, Supervisor of Utility Assistance Case Managers, Catholic Charities, Certified Nursing Assistants, Holy Family Senior Living, Priests Credibly Accused of Abuse of Minors, Vigilance, Education and Prevention are Keys to Preventing Abuse, Guidelines for Referrals to, and Providing Use of Office Space to Counselors, Guidelines for Referrals to, and Providing Use of Office Space to Men and Women Religious and Lay Spiritual Directors, Policy Concerning Children and Young People Under Age 18 Rectories, Parish Offices, Priest Residences, Use of Parishioner homes for parish meetings, EITC and OSTC Program Information for Businesses, EITC and OSTC Program Information for Individuals, Franciscan University Catechetical Institute, Ministry to Persons with Same-Sex Attractions, Attending Weddings of Nonpracticing Catholics, Frequently Asked Questions About Vocations. There is necessary work on Sunday. 3. During his Sermon on the Mount, Jesus speaks against sinners who give false oaths (Matthew 5:33-34). Whatever the motive, solitary sex in itself contradicts the meaning of human sexuality, which is meant by God to be shared between a man and a woman in marriage. I could quote countless saints here, but the most succinct description is what the Mother of God said at Fatima: Certain fashions will be introduced that will offend Our Lord very much.Our Lady of Fatima, 1917. The Church supports interfaith marriages where one of the spouses is a baptized non-Catholic or a non-baptized non-Christian, but recognizes many of these couples face unique pastoral challenges. Such people can experience a life of trial, which all others must treat with compassion and sensitivity. Thus St. John distinguishes between mortal and venial sin. It is a sin that cries to heaven for vengeance (CCC 1867). The two greatest moral theologians of the Church, St. Thomas Aquinas and St. Alphonsus Ligouri both teach that anal sex in marriage is a mortal sin. Abortion is therefore murder. There are many sins like murder or child-abuse that most Catholics know are mortal sins. Wherefore since fornication is a mortal sin, and much more so the other kinds of lust, it follows that in such like sins not only consent to the act but also consent to the pleasure is a mortal sin.