The most Blessed Virgin Mary was, from the first moment of her conception, by a singular grace and privilege of almighty God and by virtue of the merits of Jesus Christ, Savior of the human race, preserved immune from all stain of original sin.
Probably no Marian doctrine has provoked more controversy than this one...
The Church not only teaches that Mary never sinned in thought, word, or deed, she teaches that Mary never even suffered from ‘‘original sin,’’ that hole in our souls where the life of God was originally intended to be. Original sin is the source of concupiscence, the haywiredness in our makeup that weakens our will, darkens our intellects, and disorders our desires so that we labor under the continual tendency to selfishly and sinfully put ourselves before everybody else, including God. It comes of being born of a race descended from our fallen first parents, Adam and Eve, who lost the life of grace when they rebelled against God (Gen. 3) and so had nothing to pass on to us. According to the Church, every son and daughter of Adam and Eve who ever lived is born with original sin—except for Jesus and Mary.
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