Summa Made Simple Ep 47: Fornication And The“We’re Not Hurting Anyone” Argument - Part 2

Summa Made Simple · Aug 23, 2026 · 22m

If children need years of guidance and formation, then another question follows: what kind of relationship is capable of sustaining that responsibility?Aquinas’s answer is marriage. His argument is not simply that parents should ideally stay together, but that human nature itself points toward a stable, lasting union because raising a child is a long-term project. From there, he makes a further move: when something is essential to the common good, it cannot remain merely a private arrangement—it becomes something society has reason to protect through law.That takes Aquinas’s argument into…