I was thinking the same. Immediately, the "Enchiridion" of Epictetus came to mind. It's also called "The Manual", which is basically a guide to living life from

I was thinking the same. Immediately, the "Enchiridion" of Epictetus came to mind. It's also called "The Manual", which is basically a guide to living life from a Stoic perspective. As others have wrote, there are lots of manuals. Maybe too many.