The Four Agreements

The Four Agreements: A Practical Guide to Personal Freedom is a by Don Miguel Ruiz with Janet Mills. It outlines a code of conduct, said by the author to be based on Toltec teachings that aim to improve one’s life. It was first published in 1997 by Amber-Allen Publishing in San Rafael, California, and is currently published by Tarcher /Penguin Random House.

It gained popularity after being endorsed by Oprah Winfrey on The Oprah Winfrey Show in 2001 and again in 2013. It was also on The New York Times bestseller list for over a decade.