It sounds like you’re looking for a verified PDF of an article titled “10 Golden Principles of Warren Buffett.”

I can’t directly provide PDF files, but I can point you to where such an article is likely hosted in a verified form, and I can also summarize the core principles based on authoritative sources.


Want the Official PDF Sources?

These principles are best verified by reading the primary sources directly. You can download the official PDFs for free from the Berkshire Hathaway website:

  1. The Berkshire Hathaway Owner’s Manual:
    • What it is: A document written by Buffett outlining the economic principles of Berkshire.
    • Where to find: Go to Google and search "Berkshire Hathaway Owners Manual PDF." It covers principles like "Owner-Related Business Principles."
  2. Annual Shareholder Letters:
    • What it is: The "bible" of value investing. Buffett writes a letter every year dating back to 1977.
    • Where to find: Search "Berkshire Hathaway Annual Letters." The letters from 1977 to the present are available as PDFs. The 1987, 1988, and 2008 letters are particularly essential reading.

Principle 2: Margin of Safety – Buy at a Significant Discount to Intrinsic Value

“The three most important words in investing are ‘margin of safety.’” — 1992 Shareholder Letter

Inherited from his teacher Benjamin Graham, this principle means never paying dollar for dollar. Buffett seeks a gap between price (what you pay) and value (what you get). A 50% discount provides a cushion against errors, bad luck, or economic downturns. For example, he bought American Express during the 1963 “Salad Oil Scandal” when its stock halved, yet the brand’s franchise value remained intact.

Principle 8: Conservative Financing – Avoid Debt and Leverage

“We don’t borrow money. Period.” — 2008 Fortune Interview (referring to Berkshire’s insurance float as a non-recourse liability, not debt)

Buffett distinguishes between productive leverage (insurance premiums collected before paying claims) and dangerous leverage (bank loans, margin debt). Berkshire holds at least $20–30 billion in cash to survive any crisis. He famously avoided the 2008 financial crisis collapse because Berkshire had no short-term debt. Principle: You can only compound wealth if you are not forced to sell at the worst possible time.

The 10 Golden Principles of Warren Buffett: A Verified Guide

The Quest for the Verified PDF

Before diving into the principles, let's address the keyword. Is there an official Warren Buffett PDF titled "10 Golden Principles"?

The short answer: No. Warren Buffett has never published a short eBook or pamphlet with that exact title. The "10 Golden Principles" is a curated framework created by value investing experts based on his 60+ years of letters and interviews.

The verified sources: You can build your own verified PDF by downloading the following legal, free PDFs from the official Berkshire Hathaway website:

  1. Berkshire Hathaway Owner’s Manual (1996)
  2. Annual Shareholder Letters (1977–Present)

However, to save you time, we have aggregated the ten most quoted, verified principles from those documents. Below is the canonical list.


Summary Checklist

When analyzing a stock, ask these three questions (The Buffett "Three Filters"):

  1. Is it understandable? (Circle of Competence)
  2. Does it have a durable competitive advantage? (Moat)
  3. Is the price right? (Margin of Safety)

Principle 4: The Indefinite Holding Period

“Our favorite holding period is forever.”

Source: 1988 Shareholder Letter (explaining the Coca-Cola purchase). Action: Before buying a stock, ask: “Would I be happy owning this if the market closed for five years?” If the answer is no, don’t buy it.

Principle 1: Circle of Competence – Operate Only Within Your Knowledge

“You don’t have to be an expert on every company, or even many. You only have to be able to evaluate companies within your circle of competence. The size of that circle is not very important; knowing its boundaries, however, is vital.” — 1996 Shareholder Letter

Buffett famously avoided tech stocks for decades because he did not understand their durable competitive advantage. He invests only in businesses he can predict with reasonable certainty (e.g., Coca-Cola, See’s Candies, GEICO). This principle prevents catastrophic mistakes caused by overconfidence in unfamiliar industries.

10 golden principles of warren buffett pdf verified