Blog Posts

All posts, most recent first. Click on titles to read.

Latest Posts

Consciousness as a Subsystem

An essay suggesting that consciousness is a limited subsystem of the brain. and that several instinctive ways of thinking about consciousness are wrong.

The Architecture of Utilitarianism

An essay arguing that utilitarianism is a framework that begins with the value of experience, aggregates it across lives, and guides action. I show this structure in Bentham, and how it can be updated.

Philosophy and the Big Picture

An essay suggesting that as philosophy only covers the big questions dealt with using philosophical methods, there should be a broader framework — Big Picture Studies — to comprehensively address all of the big picture.

Is Morality Real?

An essay arguing that morality is real in the sense that matters: it is part of practical reason and makes judgements about how to act that can be true or false depending on how facts in the world relate to welfare and other ends.

Objective World and Subjective Worlds

An essay arguing that we each live in two worlds: the objective external world and our own subjective world. Countless other subjective worlds exist alongside ours. We should be clear how these worlds connect.

2025

Four Concepts of Reason

An essay arguing that ‘Reason’ has four underlying meanings – Reasoning, Rationality, Human Reason and Reasons.

2024

Jonathan Haidt. The Happiness Hypothesis.

My notes on a book that shows how psychological findings provide a distinctive picture of human nature which can be compared with ancient wisdom and used to provide guidance on how to live.

2023

Three Problems of Free Will

A short essay arguing that two traditional problems of free will can be dismissed and the third is only true in part.

Mackie’s Ethics: Right and Wrong

An essay discussing John Mackie’s ‘Ethics: Inventing Right and Wrong,’ which strongly influenced my views on ethics, mainly from my reactions against it.

Michael Bhaskar. Human Frontiers

My notes on a book that suggests that growth has slowed, the Great Stagnation, as easier ideas have gone, knowledge has become more complex and society has stagnated.

2022

William MacAskill. What We Owe The Future

My notes on an impressive book making the case for longtermism, the view that positively influencing the future is a key moral priority. Future people count, there could be a lot of them, and we can make their lives go better.

Only Earth has Purposes and Minds

A short essay arguing that purposes and minds only arose with life on earth and, despite our instincts, these concepts should not be used more widely.

Yes, We Can Reason About Ends

A short essay arguing that we can reason about ends and do it all the time. Only philosophical confusions have made us think otherwise.

A Problem with Motivation

A post on the EA Forum arguing that effective altruism should recognise that motivation comes more reliably from following norms and law than from willpower.

Steven Pinker. The Blank Slate.

A book arguing that the doctrines of the Blank Slate, the Noble Savage and the Ghost in the Machine contradict science and commonsense.

Sean Carroll. The Big Picture.

My notes on a book that presents a comprehensive naturalistic world view. Starts from levels of explanation – ‘Poetic Naturalism.’ Impressive.

Toby Ord. The Precipice.

My notes on a book about existential risks. Humanity is on a precipice where it risks destroying itself and losing its great potential.

Sam Harris. The Moral Landscape

My notes on a book arguing that we should develop a science of morality rather than relying on divine authority or accepting moral relativism.

Peter Singer. The Expanding Circle.

My notes on a book arguing that through reasoning we can take an increasingly impartial concern for the interests of all and broaden the circle of moral subjects to include all sentient beings.

2021

Hume on Reason

An essay for my Birkbeck MA discussing David Hume’s claims about the limited role of reason in morality.

Normative and Motivating Reasons to Be Good

An edited script from a 2021 talk to The Philosophical Society: Oxford. I answer ‘Why Should I be Good’ by distinguishing normative and motivating reasons and set out my approach to ethics.

Practical Reason First

An essay arguing that the starting point for ethics should be practical reason broadly rather than morality.