
This new guide to finding a happier way of life draws on the ancient wisdom of the stoics to reveal lasting truths and proven strategies for enhanced wellbeing. By learning what stoicism is, you can revolutionise your life, learning how to - properly - 'seize the day', how to cope in the face of adversity, and how to come to terms with whatever situation you're in
The best modern book, in my opinion, is Pierre Hadot's The Inner Citadel. It's primarily about Marcus Aurelius' Meditations, but does a really good deep-dive into Stoicism (and frequently mentions other Stoics).
However, to read only Meditations and go on to make claims about the philosophy as a whole is a bad idea that ignores hundreds of years worth of philosophers who also contributed to Stoicism.
For those interested in a more broad treatment of Stoicism, a wonderful follow-up to Meditations is Donald J. Robertson's Stoicism and the Art of Happiness
> You have to have faith that your grit will achieve those goals and pray to the gods of achievement everyday
Having faith, that your grit will achieve your goals is also sort of insane. It's irrational for sure. Whether you achieve a goal or not is out of your control. All you can and should do is to try your best.