“What ought we to think? That while the apostles were scandalized, the Mother of the Lord was immune from scandal? If she had not experienced scandal during the Lord’s passion, Jesus did not die for her sins. But if “all have sinned and fall short of the glory of God” and of all “are justified and saved by his grace” (Rom 3:23), then Mary, too, was scandalized at that moment. This is what Simeon is prophesying about: …. Your soul will be pierced by the sword of unbelief and will be wounded by the sword point out of doubt.”
Origen, Homily on Luke 17, 6-7; PG 13, 1845; SC 87, 256-58
If you are interested in more quotes on Virgin Mary, you can find them in Mary and the Fathers of the Church on Amazon in both in Kindle and paperback formats.
References
Gambero, L., 1999. Mary and the Fathers of the Church 1st ed. Translated by Buffer, T., San Francisco: Ignatius Press. p.77-78
Virgin Mary 
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