St. Leo the Great—That day, beloved children, on which Christ, the savior of the world, for the first time appeared to the Gentiles, …

That day, beloved children, on which Christ, the savior of the world, for the first time appeared to the Gentiles, is to be venerated with a most holy honor by us also. … For that day is not past in such a way that the power of the work which was then revealed should be past, as well.

— St. Leo the Great