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The Four Agreements

The Four Agreements: A Practical Guide to Personal Freedom is a 1997 self-help book by Don Miguel Ruiz, with Janet Mills as co-author on some editions.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

The Four Agreements: A Practical Guide to Personal Freedom is a 1997 self-help book by Don Miguel Ruiz, with Janet Mills as co-author on some editions. It presents four principles the author says are based on Toltec wisdom and intended as a code of conduct for personal freedom and reduced suffering.

Overview

The book argues that people absorb limiting beliefs from childhood and society, which shape behaviour and suffering. Ruiz presents four simple agreements as a practical method for changing those patterns and living more freely.

The four agreements

The four principles are: be impeccable with your word, don’t take anything personally, don’t make assumptions, and always do your best. Each is framed as a guide for communication, emotional resilience, clarity, and effort.

Themes

Major themes include personal responsibility, self-awareness, freedom from social conditioning, and the power of language. The book blends self-help advice with spiritual and philosophical ideas attributed to Toltec wisdom.

Reception and influence

The book became a popular self-help title and has remained widely read in personal development circles. It is often cited in discussions of mindfulness, communication, and emotional boundaries.

Key facts

  • The book is presented as a code of conduct inspired by Toltec teachings.
  • It argues that many personal problems come from internalized beliefs and social conditioning.
  • The four agreements are the book’s central framework for personal change.
  • The work has been widely discussed as a self-help and spiritual development title.
  • It became a long-running bestseller and is one of Don Miguel Ruiz’s best-known books.
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Canadian context

The book has been widely available in Canada through mainstream bookselling and is commonly used by Canadian readers interested in self-help, wellness, and personal development.

Frequently asked questions

What is The Four Agreements?
It is a 1997 self-help book by Don Miguel Ruiz that presents four guiding principles for personal conduct.
What are the four agreements?
They are: be impeccable with your word; don’t take anything personally; don’t make assumptions; and always do your best.
What is the book based on?
Ruiz describes it as based on Toltec wisdom and teachings.
Is it a novel or nonfiction?
It is nonfiction and is usually classified as self-help or personal development.
Who wrote it?
Don Miguel Ruiz is the main author; Janet Mills is listed as co-author on some editions.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/The_Four_Agreements
    Supports: Basic bibliographic details, publication year, authorship, and the four agreements
  2. Goodreads — https://www.goodreads.com/book/show/6596.The_Four_Agreements
    Supports: Book classification, summary, and the four agreements
  3. Shortform — https://www.shortform.com/summary/the-four-agreements-summary-don-miguel-ruiz
    Supports: Summary of the book’s premise and the four agreements
  4. Graham Mann — https://grahammann.net/book-notes/the-four-agreements-don-miguel-ruiz
    Supports: Explanation of Toltec inspiration and key themes