Luke 1:45

“And blessed is she that believed. etc.] Meaning Mary, a woman, a very young woman, and who had had things very incredible to nature and reason told her; and yet she believed, without objecting thereto, or requiring a sign; tacitly referring to the unbelief of Zacharias, who was a man, a man in years, a priest by office; and yet had been very incredulous, in a thing that was much more possible; because there had been instances of it before, in Sarah, Hannah, and Manoah's wife; than what was related to the virgin, of which there had been none; and which to reason, and with men, was impossible: and happy indeed is every one, that has true faith in any degree; for faith is the faith of God's…”

“An additional benediction on the Virgin for her implicit faith, in tacit and delicate contrast with her own husband. for--rather, as in the Margin, "that."”

“Blessed is she that believed - That is, “Mary” who believed what the angel spoke to her. She was blessed not only in the act of believing, but because the thing promised would certainly be fulfilled. From these expressions of Elizabeth we may learn: That the spirit of prophecy had not entirely ceased among the Jews. That the Holy Spirit is the source of light, comfort, and joy. That everything about the birth of Jesus was remarkable, and that he must have been more than a mere man. That the prospect of the coming of the Messiah was one of great joy and rejoicing to ancient saints; and, That it was a high honor to be “the mother” of him that should redeem mankind. It is from “that honor” that…”

“Happy is she that believed - Probably she had in her mind the unbelief of Zacharias. Luke 1:46”

“blessed: Luk 1:20, Luk 11:27, Luk 11:28; Ch2 20:20; Joh 11:40, Joh 20:29, that believed. for there, or, which believed that there, etc Luke 1:46”