Confession and liturgy belong inseparably together if the church is to be healthy. Liturgy is prayed dogma; dogma is the doctrinal content of the liturgy. -- Hermann Sasse, *We Confess: The Sacraments* p. 117
Legem credendi lex statuat supplicandi (Prosper of Aquitaine [c. 440]).
It can easily be judged that if the churches observed ceremonies correctly, their dignity would be maintained and reverence and piety would increase among the people (post AC XXI).