earnestness, eagerness, and love, participating in it from the heart and with all the creative élan of the mind. That is composure: heart and mind concentrated on the here and now, not off on daydreams; it is being “all here.” This is true of all action, but particularly true of that which concerns us here—the service performed before God. The liturgy is based on the fact of God’s presence in the church, and begins with man’s response to that presence. This is how it differs from private prayer,