Therefore the Lord himself shall give you a sign; Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel.
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Isaiah 7:12-16
Tyndale Open Study Notes (CC BY-SA 4.0).
7:14 This prophecy received its ultimate fulfillment in the birth of Jesus Christ (Matt 1:18-24). Yet it is likely that it also had a partial fulfillment in Isaiah’s day, either with the birth of godly king Hezekiah, Ahaz’s son, or with the birth of one of Isaiah’s children. The similar sequence of the verbs in Isa 7:14 and 8:3 (conceive . . . give birth . . . call) and the link between Immanuel and Maher-shalal-hash-baz in 8:5-10 suggest that Immanuel and Maher-shalal-hash-baz were the same person. • The name Immanuel (which means ‘God is with us’) symbolized God’s presence and protection.
Other Bible passages linked to this one, most cited first.
Behold, a virgin shall be with child, and shall bring forth a son, and they shall call his name Emmanuel, which being interpreted is, God with us.
For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace.
And, behold, thou shalt conceive in thy womb, and bring forth a son, and shalt call his name JESUS.
In the beginning was the Word, and the Word was with God, and the Word was God. The same was in the beginning with God.
And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.
And the angel answered and said unto her, The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing which shall be born of thee shall be called the Son of God.
Authorship: the book itself or Christian tradition. Approximate dates, as in Carson and Moo, An Introduction to the New Testament, and Longman and Dillard, An Introduction to the Old Testament.