"Nowhere is this "slice of pie" approach more pervasive than in the teachings about having a daily Quiet Time. Make your "appointment with God" and you're good to go (as long as you keep all your appointments). Too often this leads to a works-righteousness approach to faith and life and relationship with God, a neo-pharasaical approach to sanctification. I mean, grace is alright for my justification, but now it's my turn and I just gotta do it!The journey of our beautiful hearts is not about doing ... it is about being ... actually it is about doing out of our being.
Now, I want to qualify what I'm saying here. Am I knocking regular reading of the Bible? No. Am I slamming the idea of regular prayer? No. What I AM saying is that they don't belong on a "to do" list. If anything, they belong on a "to be" list, that they become part of the relational rhythms of how we "be" with God. The actual activity might look the same on the outside...but it's the place of the heart that is different."
Broken Pilgrim gives the most succinct discourse on quiet time that I have ever heard. Here is an excerpt: