Doing Good Better by William MacAskill: 10 Practical Lessons on Effective Altruism to Make a Real Difference

Hey friends! Today, I want to share some thoughtful and inspiring lessons from a book that changed the way I think about helping others: Doing Good Better by William MacAskill. I picked up this book because I wanted to make a real difference in the world, but I wasn’t sure how. What I found was a guide to making our kindness count—using our time, money, and energy in ways that truly help. Let’s chat about the 10 biggest lessons I learned, like we’re dreaming up ways to make the world a little brighter together.

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10 Key Takeaways / Life Lessons

1. Not All Good Deeds Are Equal
I learned that some ways of helping do a lot more good than others. It’s not just about meaning well—it’s about finding what really works. Like choosing to give to a charity that saves lives for just a few dollars, instead of one where the impact is smaller.

2. Ask, “How Much Good Does This Do?”
Before jumping in, I try to ask, “How much good will this actually do?” This helps me focus on actions that have the biggest, real-world results, not just what feels good in the moment.

3. Use Evidence, Not Just Emotion
It’s easy to follow our hearts, but William MacAskill taught me to look for proof. I check if there’s research or data showing that something really helps, so I know my efforts are making a difference.

4. Focus on the Biggest Problems
Some problems are much bigger than others. By focusing on issues like global health or extreme poverty, I can help more people and save more lives with the same amount of effort or money.

5. Small Actions Add Up
Even little things—like donating a small amount each month—can add up to huge change over time. I don’t have to be a millionaire to make a difference.

6. Think Globally, Not Just Locally
Helping people far away can be just as important as helping those nearby. Sometimes, my money or time can go further in places where the need is greatest.

7. Your Career Can Be a Force for Good
It’s not just about giving money. The work I choose, the skills I build, and the causes I support in my job can all help make the world better.

8. Don’t Be Afraid to Change Your Mind
If I learn that something isn’t working as well as I thought, it’s okay to switch to a better way. Being open to new ideas helps me do even more good.

9. Giving Should Be Joyful, Not Guilt-Driven
Helping others isn’t about feeling guilty—it’s about finding joy in making a difference. I try to celebrate the good I can do, no matter how big or small.

10. We’re All Part of Something Bigger
Every act of kindness, every thoughtful choice, is part of a bigger story. When we work together and share what we learn, we can change the world for the better.

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Conclusion

Reading Doing Good Better helped me see that making a difference is about more than just good intentions—it’s about being smart, thoughtful, and open-hearted. Now, I look for ways to help that really matter, and I feel more hopeful and empowered to make the world a kinder place. Every little bit counts, and together, we can do so much good.

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Join the Journey

What’s one way you’ve made or want to make a positive impact? Let’s share and grow together. If you want to keep exploring effective altruism, philanthropy, and personal growth with a supportive community, come join us at Mission Mastery. Together, we’ll learn, support, and thrive—one impactful step at a time.