One who worships in spirit and in truth no longer honors the Creator because of His works, but praises Him because of Himself.
Evagrius of Pontus
n., a form or formulary according to which public religious worship, esp. Christian worship, is conducted
[Late Latin lītūrgia, from Greek λειτουργία, public service, from λαός, people + ἔργον, work]
Via Dolorosa, Church of the Holy Sepulchre, Jerusalem (2012)