As good as the advice in this book is, it's hard to consider it groundbreaking. Part of that could be due to the prominence of these ideas in culture today. The 4 agreements are quite simple:
This is a short take on these ideas and why with just these 4 rules you can live a happier, more productive, more fulfilled life. In my past job, we did quite a number of personal development/self-help talks and exercises. The idea of agreements/expectations was a big one, so those two on this list felt directly out of that. “Don't take anything personally” reminds me of stoicism, and “always do your best” is good advice for a 1st grader on up.
While not revolutionary, these are good reminders and inspiration for sure.