Is it ever permissible to tell a lie, to steal something, to intentionally hurt or even kill someone? If not, why not? What’s the right thing to do, and what makes it right? What do we mean by ‘good’? What do we mean by ‘evil’? What do we owe to each other as humans? What do we owe to non-human life? What’s the justification for any moral belief, and where do morals come from? Are ethical systems culture-dependent, or are there some rules that transcend culture — or even transcend species?
All these questions and more form the basis of ethics and morality, a core branch of philosophical study throughout the history of recorded human thought.
Most of us feel we have some sort of internal moral compass, or at least a sense of what’s fair and unfair; but acknowledging we’re morally sensitive tends to be where consensus in ethics ends and controversy begins. Indeed, arguing about right and wrong and morally judging people is a favored pastime not just of philosophers but of most human beings.
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This reading list is designed to give you a complete view of how different thinkers in philosophy have thought about good, evil, and everything in between.
From introductory texts and anthologies, through to important primary works from the philosophical greats themselves — after consuming this list, you’ll have much more clarity about core moral arguments and ethical systems, and be able to make measured, informed contributions to even the most heated of contemporary debates. Let’s dive in!
Published in 2006, Julia Driver’s Ethics: The Fundamentals is a very good starting place for anyone curious about ethics and morality. In highly readable, thoughtful style, Driver introduces a number of key ethical systems, including virtue ethics, Kantian ethics, divine command theory, and feminist ethics.
Packed with real-life examples and coming in at an accessible 192 pages, Ethics: The Fundamentals is a brilliant introduction to the major movements within ethics and morality.
2. Being Good: A Short Introduction to Ethics, by Simon Blackburn
Blackburn largely focuses his 172-page introduction around problems within ethics, from our status as moral beings to the foundations of moral judgements. This is a good primer for anyone interested in the complex issues inherent within the study of morality.
3. Ethics: History, Theory, and Contemporary Issues, by Steven Cahn & Peter Markie
Spanning 2,500 years of ethical theory, this epic 976-page collection features extracts from the best moral thinkers past and present. Cahn and Markie’s helpful contextual notes, concise introductions, and brilliant organization throughout make this anthology an essential addition for serious students of ethics and morality.
4. How to Live a Good Life (According to 7 of the World’s Wisest Philosophies), by Philosophy Break
If your interest in moral philosophy falls mostly into the more practical ‘how can I live a good life?’ category, then the 2023 How to Live a Good Life (According to 7 of the World’s Wisest Philosophies) is for you. This concise online guide is designed to help you understand some of life’s most influential ethical frameworks — including Buddhism, Stoicism, Existentialism, and more — examine the pros and cons of each, and discover how they might apply to your own life.
Turning from introductions and anthologies to primary ethical texts, where better to start than with a discussion of morality that, though over two thousand years old, is one of the subject’s finest works and still drives discussion today?
In The Nicomachean Ethics, ancient Greek philosopher Aristotle’s guiding question is: what is the best thing for a human being? His answer is eudaimonia, which is variously translated from Greek as ‘well-being’, ‘happiness’, ‘blessedness’, and in the context of the virtue ethics Aristotle endorsed, ‘human flourishing’.
Kant argues that human beings are ends in themselves, never to be used by anyone merely as a means, and that morality is rooted in and justified by reason.
Kant’s deontological or ‘duty-based’ ethical system is still defended by many thinkers today, and this is the best book with which to explore it. If you’re interested in ethics, this brilliant, difficult book belongs on your bookshelf!
While Bentham is the well-known figurehead of the movement, the basis of utilitarian thinking is perhaps laid out most powerfully in John Stuart Mill’s 1861 Utilitarianism, an absolutely classic exposition and defence of the widely-held moral position. This particular edition also contains Mill’s 1868 speech on capital punishment, which is a fantastically stimulating read.
8. On the Genealogy of Morals, by Friedrich Nietzsche
Unlike other philosophers on this list, German philosopher Friedrich Nietzsche was not so interested in prescribing an explicit ‘one size fits all’ moral system, rather he was committed to understanding the history of Western moral thinking, and diagnosing exactly what’s wrong with it.
In his 1887 masterwork, On the Genealogy of Morals, Nietzsche explosively critiques all moral systems that came before him and drags the reader out of any preconceptions about what constitutes ‘good’, ‘evil’, ‘bad conscience’, as well as ascetic ideals and the purpose of life.
Nietzsche proposes a total ‘revaluation of values’, arguing all moral philosophy since Socrates has been the morality of the weak, and that if human civilization is to progress we must embrace impulses that cohere with saying ‘yes’ to life, impulses which differ for each individual.
A hugely entertaining and challenging read, On the Genealogy of Morals is highly recommended for anyone interested in dwelling on where moral systems comes from, and how they should evolve.
Is it ethical to buy luxuries when others do not have enough to eat? Should we buy meat from intensively reared animals? If your carbon footprint is above the global average, are you doing something immoral?
These questions and more are lucidly addressed in moral philosopher Peter Singer’s hugely popular introduction to applied ethics, Practical Ethics. Singer provokes readers by carrying out seemingly commonsensical moral arguments to their sometimes disturbing conclusions, and shows the errors in much of our thinking about right and wrong (see Singer’s famous thought experiment on the life you can save here).
First published in 1979, the text is now in its third edition — its enduring popularity and slick style make it an ideal text for anyone interested in dwelling on contemporary moral issues.
Published in 1998, American philosopher T. M. Scanlon’s What We Owe to Each Other has quickly established itself as a modern classic of moral philosophy.
Within 432 thought-provoking pages, Scanlon outlines his contractualist view of ethics, in which he states that thinking about right and wrong means thinking about what we do in terms that could be justified to others and that could not be reasonably rejected.
A scrupulous and relentlessly exacting read, this is a fine example of how to write about moral philosophy for any aspiring student of the subject.
Further reading
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About the Author
Jack MadenFounder Philosophy Break
Having received great value from studying philosophy for 15+ years (picking up a master’s degree along the way), I founded Philosophy Break in 2018 as an online social enterprise dedicated to making the subject’s wisdom accessible to all. Learn more about me and the project here.
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