He has given help to Israel, his servant, that he might remember mercy,
Zacharias said onto the angel, Whereby shall I know this? for I am an old man, and my wife is well stricken in years. And the angel answering said onto him, I am Gabriel, that stand in the presence of God; and I've been sent to speak to thee, and to show thee this glad tidings. And, behold, thou shalt be dumb, and not able to speak, until the day that these things shall be performed, because you did not believe my words, which shall be fulfilled in their season ( Luke 1:18-20 ).