The Protestant reformation had a valid point in its rebellion against the practices it perceived to be idolatrous. After all, there is no God but God, and no earthly things - whether people, statues, or cathedrals - can substitute for the Eternal and Infinite nature of a God that always eludes the conscious understanding of our finite minds. Everything in this world remains imperfect, and it's good to be reminded of that.
It's only natural in a society that relies primarily on "evidence-based research" to doubt all things supernatural. A generalized acceptance of God's existence and the teachings of the church may reside one's conscious thoughts, but we usually don't walk around day-to-day expecting the miraculous. So when it does happen, it can be quite a shock. Even startling. And this prayer works miracles.
I've found that using the Jesus Prayer throughout the day can be a simple, contemplative practice that has a powerful effect. The prayer goes back to the Eastern Orthodox spiritual fathers, whose collection of texts, The Philokalia, outlines many mystical practices used by hermits of the early church.
Saying the Jesus Prayer regular is like having a steady-workout routine for your soul. Even though you work out every day, it often seems like more trouble than it's worth. Or, even if it is healthy, your physique still isn't close what you want it to be. Then you look in the mirror five years later, and you see a person you don't recognize completely, some reflection of a distant memory. Saying The Jesus Prayer is that transformative for the soul. And yes, sometimes the growth is slow and steady, like building physical muscle. But there are....