What’s the key to achieving financial freedom? And what’s the real risk investors face?
In this podcast, Motley Fool analyst Buck Hartzell and contributor Rich Lumelleau talk with financial theorist and neurologist Bill Bernstein, the author of numerous books, including The Four Pillars of Investing.
The conversation covers a variety of investing topics, including:
- Advice for new investors.
- Misconceptions about risk.
- Mindset and volatility.
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A full transcript is below.
This podcast was recorded on August 03, 2025.
Bill Bernstein: We’re human beings who evolved over millions of years of biological history. The way that we react to risk or the risk that we respond to is immediate risk. It’s seeing the yellow and the black flash of light in your peripheral vision or hearing the hiss of a snake or the roar of a lion, and you respond just like that. That’s the way most people perceive risk in financial markets. It’s the day that the market calls falls three or 4% or when there’s very bad economic news. That’s not risk. That’s volatility. What real risk is is living under a bridge or eating cat food when you’re old.
Mac Greer: That was Bill Bernstein, a financial theorist, neurologist, and author of numerous books, including the Four Pillars of Investing, the Intelligent asset allocator, and the Birth of Plenty. I’m Motley Fool producer Mac Greer. Now, Motley Fool contributor Rich Lumelleau and Motley Fool analyst Buck Hartzell recently caught up with Bernstein and talked risk reward, and financial freedom.
Buck Hartzell: Rich and I both have young adults. People that are either getting ready to graduate or graduating college and got their first job. I just had 10 of those people over at our house this weekend. One of the questions that we got asked during that conversation as we sat down is, how much do we need to save? In order to be prepared and reach one day, financial freedom. I don’t like the word retirement because I think freedom is something different. You can do what you love. You don’t need to retire and people aren’t meant to sit around and watch TV on their couch and stuff. How much is a reasonable amount do you think that they need to save in order to reach their goals, Bill?
Bill Bernstein: Well, I’ve in recent years, I’ve changed my mind about this. I used to think that 15% was enough, which is the figure you’ll see in that particular book. 15% is adequate if you have a relatively low income because what will happen when you retire is you will get a very nice replacement ratio out of your Social Security. The person who has below average income or average income is going to get probably in the realm of about 50%-60% replacement from social security. But if you’re an upper and for that person, 15% is adequate. But if you’re an…
Read More: The Real Risk Investors Face
