18 And Zachariah said to the angel: How shall I know this? For I am old, and my wife is advanced in life.
Luke 1:18 Cross References - Murdock
7 But they had no child, because Elisabeth was barren: and they were both advanced in life.
34 And Mary said to the angel: How can this be, as I have not known a man?
19 And he was not sickly in his faith, while contemplating his inert body, (for he was a hundred years old,) and the inert womb of Sarah.