Mark Galli said this quote

“ The liturgy is the place where we wait for Jesus to show up. We don't have to do much. The liturgy is not an act of will. It is not a series of activities designed to attain a spiritual mental state. We do not have to apply will pressure. To be sure, like basketball or football, it is something that requires a lot of practice--its rhythms do not come naturally except to those who have been rehearsing them for years. On some Sundays the soul will indeed battle to even pay attention. In the normal course of worship, we do not have to conjure up feelings or a devotional mood; we are not required to perform the liturgy flawlessly. Such anxious effort... blind us to what is really going on.We do have to show up, and we cannot leave early. But if we will dwell there, remain in place, wait patiently, Jesus will show up. ”