TO HAVE THE TRUE SENTIMENT WHICH WE OUGHT TO HAVE IN THE CHURCH MILITANT.
Seventh Rule. To praise Constitutions about fasts and abstinence, as of Lent, Ember Days, Vigils, Friday and Saturday; likewise penances, not only interior, but also exterior.Go (here) to read more.
Read below the Ember day reflection from Fr. Z, go (here) to read it in it's entirety.
Ember Wednesday of Advent, those who have the use of the older, traditional Roman Missal, offer worship to God with the so-called Missa aurea, the "Golden Mass".
There is a strong Marian overtone to today’s Mass formulary. The Roman Station for today is St. Mary Major. the Gospel is the Annunciation. The illuminated missals and sacramentary of centuries past presented the Gospel or at least its initial capital letters in gold, when our nickname Missa aurea. And the Gospel pericope begins Missus est angelus Gabriel.... It was once celebrated with a solemnity nearly approaching a feast day. Thus, Missa aurea also refers to little dramas in medieval times in which the Annunciation was acted out. It is thus not just "golden Mass" but "the golden sending", which of course refers to the moment in which Our Lord becomes incarnate in the womb of the Virgin and His work for our salvation begins a new phase.