1:20 Thou shalt be dumb - The Greek word signifies deaf, as well as dumb: and it seems plain, that he was as unable to hear, as he was to speak; for his friends were obliged to make signs to him, that he might understand them, Lu 1:62.

Luke 1:20 Parallel Commentaries

Zacharias's Hymn
'And his father Zacharias was filled with the Holy Ghost, and prophesied, saying, 68. Blessed be the Lord God of Israel; for He hath visited and redeemed His people, 69. And hath raised up an horn of salvation for us in the house of His servant David; 70. As He spake by the mouth of His holy prophets, which have been since the world began; 71. That we should be saved from our enemies, and from the hand of all that hate us; 72. To perform the mercy promised to our fathers, and to remember His holy …
Alexander Maclaren—Expositions Of Holy Scripture

The Dayspring from on High
'The day-spring from on high hath visited us, 79. To give light to them that sit in darkness and in the shadow of death, to guide our feet into the way of peace.'--LUKE i. 78, 79. As the dawn is ushered in by the notes of birds, so the rising of the Sun of Righteousness was heralded by song, Mary and Zacharias brought their praises and welcome to the unborn Christ, the angels hovered with heavenly music over His cradle, and Simeon took the child in his arms and blessed it. The human members of this …
Alexander Maclaren—Expositions Of Holy Scripture

Fourteenth Day. The Holy one of God.
Therefore also that holy thing which shall be born of thee shall be called the Son of God.'--Luke i. 35. 'We have believed and know that Thou art the Holy One of God.'--John vi. 69. 'The holy one of the Lord'--only once (Ps. cvi. 16) the expression is found in the Old Testament. It is spoken of Aaron, in whom holiness, as far as it could then be revealed, had found its most complete embodiment. The title waited for its fulfilment in Him who alone, in His own person, could perfectly show forth …
Andrew Murray—Holy in Christ