Quran 3:40 — The Amramites (Ali-'Imran)

He said, "How can I have a boy, when I am so old, and my wife is sterile?" He said, "GOD does whatever He wills."

[3:39] The angels called him when he was praying in the sanctuary: "GOD gives you good news of John; a believer in the word of GOD, honorable, moral, and a righteous prophet."

[3:41] He said, "My Lord, give me a sign." He said, "Your sign is that you will not speak to the people for three days, except through signals. Commemorate your Lord frequently; and meditate night and day."