In this penultimate book, Marcus discloses the 4 dispositions of the mind to be aware of and rectify, and he also gives us 10 heads or contemplations /maxims to live according to (9 of his own, and 1 that he borrows form Hercules):
Courtesy of Kandschwar, this is a picture of Marcus supporting the Kaiserbrücke (Emperor Bridge), in Mainz, Germany.
The Golden Book of Marcus Aurelius 