Surely pursuing philosophy would be a better advice than pursuing religion? Religions do tend to include some philosophy but with a lot of mysticism and other s

Surely pursuing philosophy would be a better advice than pursuing religion? Religions do tend to include some philosophy but with a lot of mysticism and other stuff thrown in, and the philosophy itself is often not very well thought through. Why not just go for the philosophy itself? Stoicism could be a great start with Seneca's "Letters from a stoic".