Introduction to Toltec way of life

I came across the book the Mastery of life by Don Miguel Ruiz Jr.
in the very beginning he talks about words and its power.
I did read long time ago the book “4 agreements “. I think these books are very uplifting and worth reading. Here I just was in the park and decided to give some short introduction that I am trying to remember about the words and how they can affect our moods, believes and thus influence out life