How very practical is Mary’s question. She will remember all that has been said, but right now her mind is focused on the fact of her virginity.
Our minds must be satisfied with the answers given us in Scripture. It is a sign of unbelief to go on enquiring endlessly and never to rest our minds on God’s explanation. Some will do so, and refuse to exercise faith. They want everything to be reduced to the level that they can understand. This is the failing of those who demand scientific proof for everything, as if that was a higher basis for certainty that the word of God.