Overcoming Pain - This. This helps me see things for why they happen and why I should take it and endure it. The price of enduring such pain will reward you in the long run. I believe I'll be even better than I was before.
One of the reasons people don't consider Buddhism a religion. You can be an atheist and a Buddhist or a Christian and a Buddhist or a Freethinker and a Buddhist. Buddha doesn't care. Which is why I have always been attracted to buddhism~