Let me show you three photos that I took from inside of St. Leonard Catholic Church in the north end of Boston this summer. As you are well aware, everything about the design of a Catholic Church is done with a purpose. And also, as you well know, the altar is the focal point of every Catholic Church, since that's where the Eucharist is celebrated.
Now, look at this first photo. See the alter in the middle towards the back. Now look to the sides. There are two statues - one on the left and one on the right. The one on the left (just to the left of the pillar, wearing white, holding out his hand) is Jesus. Prominent place as far up towards the altar as possible.
Now look to the right, opposite of Jesus. Same distance away from the altar as Jesus is. Who is that? Not God the Father. Not the Holy Spirit. It's...Mary. Equidistant from the altar - the center of Catholic worship - as Jesus is.
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Now let's zoom in on Mary, because there's something interesting about this statue. Look at her feet. She's standing on top of something. The world, as it happens to be. But on top of the world is something else. A serpent. And in the serpent's mouth is a piece of fruit.
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Here's a close-up of this.
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What is this serpent? Well, it's the god of this world, the one who tempted Eve in the garden to eat the fruit. It's THAT serpent.
And what is Eve doing to the serpent? Crushing its head.
Again, these things aren't by happenstance. It's totally by design, and the sculpture is making a statement. What's the statement? It's that Mary is crushing the serpent that tempted Eve in the garden.
Now why does this matter?
Well, look at Genesis 3:15 - "I will put enmity between you and the woman, and between your offspring and her offspring; he shall bruise your head, and you shall bruise his heel."
This is universally regarded as a prophecy of the Messiah. HE is the seed of the woman who shall bruise (crush) the head of the serpent. This is about Jesus. Jesus is the fulfillment of this prophecy. Eve is a type, or a foreshadowing, of Mary. The serpent bruising/crushing the heel of her offspring is always understood as Jesus' suffering on the cross, but His victory over sin, death, and the serpent in the resurrection is Him crushing the serpent's head.
This is not controversial - this is standard Christian theology across all Christian perspectives - Catholic, Orthodox, Protestant, you name it.
But what does this statue represent?
It's not Jesus crushing the serpent's head.
It's MARY crushing the serpent's head.
It's MARY doing what only the Messiah is prophesied to do.
Mary is taking the place of Jesus here. Mary is defeating sin and death and the serpent, defeating the god of this world. Not Jesus doing it, but rather MARY doing it. Mary has assumed Jesus' role as messiah, as redeemer (redemptrix, in the feminine).
Mary is the same distance from the altar as Jesus is. It is Mary, not Jesus, crushing the serpent's head. Mary is portrayed here in this Catholic church as being a redeemer, and in Catholic language, the co-redemptrix with Christ.
Now, you can say that the Catholic Church doesn't worship Mary, but (a) in the rosary there are nine times more prayers to Mary than to the Father, and (b) this example shows that in fact, Mary is portrayed as equal to Jesus, and in fact taking Jesus' place as the messiah who crushes the serpent's head.
When I was in the church, I couldn't believe what I was looking at. I mean, I *could* believe it, because having grown up Catholic, I know the emphasis placed on Mary. But this isn't mere respect for Mary. This isn't even just veneration. This is out and out idolatry, with Mary taking the place of Jesus.