How can Mary be a virgin and still have Jesus?

Answer 1

Roman Catholic AnswerThe constant teaching of the Church, from that very beginning is that Mary was a virgin before, during, and after the birth of Jesus Christ. This makes no sense to the human mind, but, then we forget that we are talking about the birth of the Very One who created the entire world, and everything in it, from nothing. In other words, it was a miracle. It was something completely beyond human experience or comprehension. How can Mary be a virgin and still have a baby? Because God willed it: we do not know how. We can not know it at all except through the gift of faith, which is a gift from God only given to those who sincerely ask for it.

from Radio Replies, by Fathers Rumble and Carty, 1942

137. May we not assume that St. Luke and St. Matthew had no knowledge of the divine origin of Jesus Christ?

Not unless we wish to ignore evidence, and credulously believe a thing merely because we wish to believe it. St. Luke records the words of the angel to Mary, "The Holy Ghost shall come upon thee, and the power of the Most High shall overshadow thee. And therefore also the Holy which shall be born of thee shall be called the Son of God." Lk I., 35. St. Matthew I., 20, records the words of the angel to St. Joseph, Joseph, fear not to take unto thee Mary thy wife, for that which is conceived in her is of the Holy Ghost." Both St. Luke and St. Matthew, therefore, had clear knowledge of the divine origin of Christ.