199 Letters · 5 Authors · Decades of Wisdom

Every great annual letterblog postmemo, one library.

Letter Heads unifies the annual letters and memos from the world's sharpest business minds scattered across PDFs, corporate sites, and forgotten blog posts.

Howard MarksPatrick CollisonPaul GrahamSeth KlarmanWarren Buffett
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"The most important rule in compounding is to never interrupt it unnecessarily."
Howard Marks, 2022
"Don't mistake a bull market for brains."
Howard Marks, 2004
"It’s not what you don't know that gets you into trouble, it's what you know for sure."
Howard Marks, 2008
"In times of crisis, preservation of capital is the first priority."
Howard Marks, 2001
"Risk is the most misunderstood part of investing."
Howard Marks, 2006
"When things are at their worst, the potential for gain is at its greatest."
Howard Marks, 2008
"The market is a pendulum that swings between euphoria and depression."
Howard Marks, 2024
"The less the prudence with which others conduct their affairs, the greater the prudence with which we must conduct our own."
Warren Buffett, 2017