... well-known. Why is there need of particular occasions for prayer and worship? Why need we gather together and sit quietly? Why practice waiting before God? If He is in us, why does He not manifest to us continually, why does His power not always motivate our actions? Why do we have to practice His presence, and why is this practice so difficult? To answer these questions we are forced to adopt a somewhat complex and non-habitual ... — An Interpretation of Friends Worship • N. Jean Toomer