Mary is the New Burning Bush

In Exodus 3:1-2 it is written: Meanwhile Moses was tending the flock of his father-in-law Jethro, the priest of Midian. Leading the flock beyond the wilderness, he came to the mountain of God, Horeb. There the angel of the LORD appeared to him as fire flaming out of a bush. When he looked, although the bush was on fire, it was not being consumed.

The burning bush in which God appeared to Moses did not consume itself. This is a miracle precisely because the fire did not harm, alter or otherwise disfigure the plant in any way. Moses was rightly amazed. So to, throughout Scripture, whenever God intervenes in human affairs the people he touches are never destroyed or compromised. God never takes away free will when acting on the human stage. Just like the fire did not destroy the bush.  

Consider the Blessed Virgin Mary Mother of God. While consenting to be the Christ bearer in no way was her freedom or her personhood compromised. This is the case even in regard to her physical virginity. God does not destroy His chosen instruments. The virginity of Mary was preserved even in giving birth to the Savior. For some this might seem like an impossible statement. Nothing is impossible for God. Not burning bushes. Not virgin births. Mary was preserved physically just as the burning bush was preserved physically. 

Furthermore, at the conclusion of her earthly life, Mary was assumed body and soul into heaven. The stain of sin did not enter into her being, therefore, the specter of physical decay did not touch her body. In the preservation of her free will, her perpetual virginity and her miraculous assumption, Mary is the new burning bush.