FROM THE WRITINGS OF HILDEGARD OF BINGEN; IN THIS YOU WILL IMITATE THE BLESSED GREGORY, WHO, DESPITE THE BURDEN HE BORE AS BISHOP OF ROME, NEVER CEASED FROM HIS WRITING, WHICH WAS INFUSED WITH THE SOUND OF THE LYRE OF THE HOLY SPIRIT.
. THE PERSONAL CORRESPONDENCE OF HILDEGARD OF BINGEN (KINDLE LOCATIONS 1487-1488). KINDLE EDITION.