shall give you a sign,] Of his own free goodnesse, Ezekiel 36:32.
Behold,] Matthew 1:23.
a virgin shall] A prophecie of the miraculous birth of the Messias, to be born of a virgin, that had not known man. Matthew 1:21; Matthew 1:25. Luke 1:27; Luke 1:31; Luke 1:34-35.
shall call] Or, thou, O virgin, shalt call.
Immanuel.] That is, God with us. Chap. 8. 10. a fit name for Christ, both God and man; the Mediator and reconciler of God and us, John 1:1; John 1:14. 1 Timothy 2:5. 1 Peter 3:18.