You’d like to be able to explain it, wouldn’t you? Do you think if God explained how He did this, your mind would be capacious enough to take it in? Or do you think if He gave the scientific formula for creation out of nothing, you’d be able to say, ‘You know, I think I worked that out for myself already?’ No, my dear friends. If God was to speak the language and the mathematics and the physics that was necessary to express creation out of nothing and virginal conception our minds would seek to expand to their limit to take it in until we reach the point that we said, ‘I’m sorry that I asked the question.
The mystery of the incarnation of the eternal Son of God in the womb of the virgin Mary is a prime example of the way in which God does His mightiest works out of the sight of men. Just as He created the Universe by the word of His power out of the sight of men, God carries on His works of providence and redemption in secret. There is an imperceptibility to the works of God, that both serves to frustrate the wise and astonish the believing.
Sinclair Ferguson once explained the mystery of God’s working in the secret, when he said,
“We are meant to be staggered…We tend to pride ourselves that we know this so well; and we say, ‘It doesn’t stagger me that He was virgin-born.’ It staggered Joseph that He was virgin-born. It staggered Mary that He was virgin-born. ‘She pondered these things.’ It staggered Matthew; and, it ought to stagger us. We ought to understand that this is a singularity in the history of the universe, that this is unique, because this is Emmanuel–this is God entering our world. Of course, God has been present working in history, governing history; but what happens here is that He actually becomes part of history. And, if I may say so, He becomes the tiniest part of history–the One who threw the stars into their places, who created the vast cosmos is coming into the womb of the virgin Mary through the secret work of the Holy Spirit, in the sheer tininess of embryonic form, in the total dependence on His humanity upon His mother, in the long months in the fetal position; and then coming forth from His mother’s womb in a cave, back of a house; this is the mystery of the incarnation; this is the supernatural work of God. And yet, we understand as Christian believers that this–the great miracle–is simply all of a piece with the first miracle. What was the first miracle? Creation out of nothing! Creation out of absolutely nothing–this world, people, the planets, the stars, everything, designed from the immensity and brilliance of the mind of our Lord Jesus Christ and then brought into being by through His powerful word. He who creates cosmos out of nothing is well able, in the mystery of His purposes, to give His Son, into our world, by means of conception in the womb of a virgin.