A balanced reading path
Where to start with Natural law
Faith, secularism, authority, and public reason.
Part of Religion and politics. This path zooms in on natural law specifically.
What is natural law?
Natural law is the idea that there is a moral order knowable by reason and binding on rulers: just law answers to standards no legislature invents and none may simply override. It runs from Aquinas and the Stoics through Grotius and Pufendorf to recent arguments for a common-good jurisprudence.
This path opens with Aquinas on law's grounding in nature, reads Cicero on right reason and Pufendorf on duty, and reaches a contemporary case for common-good constitutionalism, then meets Bentham's blunt reply that natural rights are 'nonsense upon stilts.' Read it to understand the claim that an unjust law is, in a deep sense, no law at all, and the positivist challenge that law is only ever a human creation.
The 5-book path
- 1Start Here— the accessible entry point
Treatise on Law
Thomas Aquinas · Natural law / Christian philosophy
A core natural-law text connecting law, reason, morality, divine order, and political authority.
To avoid a bubble: Pair with modern secular theories of law and liberal neutrality.
- 2Classic Foundation— the durable classic that anchors the debate
On the Laws
Cicero · Natural law / republicanism
A significant classic entry for natural law / republicanism, useful when the path needs more depth around classic-foundation.
To avoid a bubble: Pair with Thomas Aquinas, Treatise on Law.
- 3Modern Bridge— connects the older argument to the present
Common Good Constitutionalism
Adrian Vermeule · Post-liberal legal theory
A bold and controversial manifesto for a post-liberal jurisprudence rooted in the natural-law and 'classical legal' tradition. Vermeule argues that constitutional interpretation should be governed neither by progressive living-constitutionalism nor by conservative originalism, but by the pursuit of the common good as understood in the classical and Catholic legal tradition — justice, peace, and the flourishing of the community. A leading and much-debated statement of the post-liberal legal right.
To avoid a bubble: Pair with the originalism of Scalia and the conservative legal mainstream that Vermeule rejects, with liberal constitutionalists who see his program as authoritarian and anti-democratic, and with critics who question whose 'common good' an empowered state would enforce.
- 4Opposing View— the serious counter-argument, to avoid a bubble
Anarchical Fallacies
Jeremy Bentham · Utilitarian critique of natural rights
A significant classic entry for utilitarian critique of natural rights, useful when the path needs more depth around counterpoint.
To avoid a bubble: Pair with Thomas Paine, Rights of Man.
- 5Contemporary Lens— a current-day perspective
On the Duty of Man and Citizen
Samuel Pufendorf · Natural law / obligation
A significant classic entry for natural law / obligation, useful when the path needs more depth around classic-foundation.
To avoid a bubble: Pair with Hobbes, Leviathan.
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Build your own version →Frequently asked questions
- Where should I start reading about natural law?
- Start with Treatise on Law by Thomas Aquinas: the accessible entry point. From there this path works through the core texts of natural law and ends on a serious opposing view, so you meet the strongest case for and against it.
- What is a key book for understanding natural law?
- On the Laws by Cicero is the durable classic that anchors the natural law debate. The other books on this path argue with it and build on it.
- What is the strongest argument against natural law?
- This path deliberately includes Anarchical Fallacies by Jeremy Bentham as the serious counter-case, so you test natural law against its strongest critic rather than reading in a bubble.
- Is this natural law reading list free?
- Yes. Every PoliReads reading path and book page is free, and no account is required.