Zacharias said to the angel, "How can I be sure of this? For I am an old man, and my wife is well advanced in years."
w Misn. Abot, c. 5. sect. 21. & Maimon. in ib. x R. Sol. Urbin. Ohel Moed, fol. 24. 2. y T. Bab. Cholin, fol. 24. 1. z Maimon. Hilch. Cele Hamikdash, c. 3. sect. 8.