William J. Bernstein Quotes
It's bad enough that you have to take market risk. Only a fool takes on the additional risk of doing yet more damage by failing to diversify properly with his or her nest egg. Avoid the problem-buy a well-run index fund and own the whole market.
Citations
Bernstein, William J. The Four Pillars of Investing: Lessons for Building a Winning Portfolio. McGraw-Hill, 2002.
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William J. Bernstein (born 1948) is an American financial theorist and neurologist. His research is in the field of modern portfolio theory and he has published books for individual investors who wish to manage their own equity portfolios. He lives in Portland, Oregon.