I’ve heard about the devotion to Divine Mercy many times, but I’d never really taken the time to look into it deeply before — after all, our Church has so many devotions, and it seemed like just another one to add to my list. Now that I’ve done the research, however, I feel pretty passionate about celebrating this feast every year. Divine Mercy Sunday is just that awesome. Divine Mercy Sunday was instituted by Pope John Paul II, but it was an obscure Polish nun named St. Faustina Kowalska who would be the conduit for Jesus’s message of mercy to the world. The things Faustina wrote about in her journal…