9 Best Ethics Books
We analyzed 6+ expert sources, curated book lists, and recommendations from successful people to find the 9 best ethics books according to the internet — not just one person's opinion. Each book on this list was mentioned by at least two independent sources, and the ranking is based on how frequently each title appears across all sources studied. This consensus-based approach ensures you get recommendations backed by multiple experts, not a single reviewer's bias.
Goal: Find the best Ethics books according to the internet (not just one person's opinion).
Method:
- Search for "best ethics books" and study the top 6+ pages.
- Add only the books mentioned 2+ times.
- Rank the results neatly here.
9 Best Ethics Books
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Groundwork for the Metaphysics of Morals
Nicomachean Ethics
Practical Ethics
The Republic
Also recommended by
6 people
Mark Zuckerberg recommended this bookMark Zuckerberg
On the "favorite books" section of Mark Zuckerberg's Facebook profile.
Mark Zuckerberg's recommendation of this book 
Sam Altman recommended this bookSam Altman
One of Sam Altman's answers to "What are some of the best books you recommend for a young startup founder?"
Sam Altman's recommendation of this book 
Maria Popova recommended this bookMaria Popova
"I’m actually gobsmacked that this isn’t required in order to be sworn into office, like the Constitution is required for us American immigrants when it comes time to gain American citizenship." - Maria Popova
Maria Popova's recommendation of this book 
Vlad Tenev recommended this bookVlad Tenev
"I like the classics such as The Republic by Plato and The Art of War by Sun Tzu." - Vlad Tenev
Vlad Tenev's recommendation of this book 
Nolan Bushnell recommended this bookNolan Bushnell
"[One of my ten favorite books] I might think of if I were asked the question at an interview this minute." - Nolan Bushnell
Nolan Bushnell's recommendation of this book 
Mark Manson recommended this bookMark Manson
Mark Manson recommended this book on his website.
Mark Manson's recommendation of this book
Reasons and Persons
Also recommended by
3 people
Sam Harris recommended this bookSam Harris
"Brilliant and written as though by an alien intelligence." - Sam Harris
Sam Harris's recommendation of this book 
Will MacAskill recommended this bookWill MacAskill
"One of the most important books written in the 20th century." - Will MacAskill
Will MacAskill's recommendation of this book 
Patrick Collison recommended this bookPatrick Collison
"I don't totally agree, but I think it's a really interesting modern take on moral philosophy." - Patrick Collison
Patrick Collison's recommendation of this book
Ethics
History, Theory, and Contemporary Issues
The Fundamentals of Ethics
Utilitarianism
What We Owe to Each Other
Sources
- 1
Ethics 101—The Good Place: A Reading List - Harvard University Press Blog
harvardpress.typepad.com
- 2
The Eight Best Introductory Books on Ethics - The Daily Idea
thedailyidea.org
- 3
The Best Books on Ethical Problems - Five Books Expert Recommendations
fivebooks.com
- 4
The 10 Best Ethics Books of 2023 (Reviews) - FindThisBest
findthisbest.com
- 5
Ethics and Morality Reading List – The Best 10 Books to Read | Philosophy Break
philosophybreak.com
- 6
Four Books That Will Reshape Your Ethical Decision Making - ethical.net
ethical.net
Edited by
Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.
Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.
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