The Thomistic Institute The Issue of Free Will: Are We the Authors of Our Actions? – Prof. Steven Jensen
Jan 15, 2026
Prof. Steven Jensen, a leading scholar in Thomistic philosophy and bioethics, delves into free will and moral responsibility. He argues that true authorship of our actions relies on self-determination rather than deterministic forces. Jensen critiques compatibilism and emphasizes libertarian agency, discussing our capacity for alternative choices. He explores Aquinas's view of the will as a rational appetite, distinguishing between emotional influences and rational decision-making. Through engaging examples, Jensen presents a compelling defense of human freedom.
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Libet's Readiness Potential And The Veto
- Benjamin Libet's experiments found brain readiness potentials before conscious intention, challenging naive notions of free will.
- Libet later emphasized a 'veto' power where conscious will can inhibit actions after readiness potentials appear.
External Versus Internal Liberty
- Aquinas distinguishes external liberty (absence of force) from internal freedom (self-determination).
- Internal freedom is required for moral agency and isn't captured by merely not being coerced.
Aquinas: Will As Rational Appetite
- Aquinas treats the will as an appetite distinct from emotional appetites because it follows reason, not sense.
- The will seeks the good universally considered rather than only sensory goods.