I found this book so powerful, I was moved to memorize large parts of it.
Each paragraph, while following a theme of the section, is completely relevent in itself.
The book can be picked up and read from any page and any paragraph, and the user will need no context to the previous paragraph, and will find each paragraph sufficient unto itself.
The book accomplishes this by driving, in pure and unadulterated form and words, the main theme quickly and directly to the reader.
Accerpt from memory:
"Let it be thy earnest and Incessant Care as a Roman and Countryman to do whatever it is that thou are about with true and unfeigned gravity, natural effection, freedom and a sense of justice. As for all the other cares and imaginations, how shalt thou ease thy mind of them ? Which thou shalt do, if though shall go about every action as though it were thy last, free from all vanity and self love....."