For he will be great in the sight of the Lord, and he will drink no wine nor strong drink. He will be filled with the Holy Spirit, even from his mother's womb.
What prayer? For years he had been praying, "Lord, please give me a son." It really gives to us encouragement for persistence in prayer. He didn't give up. Even though he was now old. Well stricken with years. He was still praying, "Oh, Lord, I'd love to have a son."