Cover of The Most Important Thing Open Library Covers

The Most Important Thing

by Howard Marks · 2011

Howard Marks's investing book on risk, cycles, second-level thinking, and the discipline required for long-term capital allocation.

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Author signal

Howard Marks · Investor and Oaktree co-founder

Author signal

Some books matter because the author has done rare work in the real world. We show that separately from who recommended the book.

Howard MarksInvestor and Oaktree co-founder

Distressed-debt investor, Oaktree co-founder, and author of The Most Important Thing.

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The Most Important Thing appears in 1 source-backed recommendation.

Cover of The Most Important Thing

The Most Important Thing

Author signal

Howard Marks · Investor and Oaktree co-founder

Documented citation: When I see memos from Howard Marks in my mail, they're the first thing I open and read. I always learn something, and that goes double for his book.

Documented citation Documented citation reference Howard Marks (investor)

This source documents the book relationship, but the displayed text is a catalog summary rather than a verbatim quote.

Wikipedia · reference page · accessed 2026-06-20

The reference page quotes Buffett saying he reads Marks's memos first and learns from them, adding that the same goes double for Marks's book.

Open source
Warren Buffett at the 2015 SelectUSA Investment SummitWarren Buffett
Documented citation · Reference citation · reference Source reference page
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