A First Things Partner Feature

released 4/27/2026

In this March 2026 lecture, Mary Harrington explores modernity’s “Thomophobic epistemological straitjacket” that bans serious inquiry into the nature of things. Beginning from her personal experience with society’s “mother-shaped blindspot” — the inability or refusal to acknowledge clearly the nature of mothers and their relationship to their children — Harrington interrogates why the attempt to name the reality of form, substance, and ends is now judged as morally suspect. To be modern is to bracket and then forbid the Thomistic distinctions between potency and act, substance and accident, and four-fold causality. The effects of this denial of reality impact every area of life but are particularly sinister when humans turn the logic of this worldview toward mastery over human nature and form. Harrington argues that we cannot discard human form and telos, but that we produce victims and monsters in abundance when we try to do so. Matter is not just matter, she says, but is always informed by logos grounded in the uncaused Cause, that is, God. We must pay attention to our instinctual revulsion toward attempts to do violence to “meaningless” form.

This lecture is provided courtesy of First Things.

41 minutes

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