The end of the mission of the Holy Spirit in the entire Liturgical work is to unite us with Christ to build up his Body. The fruit of the work of the Holy Spirit in the Liturgy is inseparable from communion with the Holy Trinity and the unity of religious brotherhood. The Liturgical Commission is necessary for the development of faith... Catechism on the Development of the Liturgy in the Dioceses, with Fr. Raphaël Eugène Ralison.