Don’t forget: you can find the full text of the General Instruction of the Roman Missal at the USCCB site. In today’s section, we are encouraged to recall human expressions of Catholic worship, guided through the ages, has maintained a faithfulness in its openness to the guidance of God.
9. Hence, the “norm of the holy Fathers” requires not only the preservation of what our immediate forebears have handed on to us, but also an understanding and a more profound pondering of the Church’s entire past ages and of all the ways in which her one faith has been expressed in forms of human and social culture so greatly differing among themselves, indeed, as those prevailing in the Semitic, Greek, and Latin regions. Moreover, this broader view allows us to see how the Holy Spirit endows the People of God with a marvelous fidelity in preserving the unalterable deposit of faith, even though there is a very great variety of prayers and rites.
This raises the question as to why a universal and worldwide Church might limit inspiration to Semitic, Greek, and Latin sources.