Verse from Isaiah

因此主自己必给你们一个兆头：看哪！必有童女怀孕生子；她要给他起名叫‘以马内利’。(以赛亚书 7:14)

Therefore the Lord Himself will give you a sign: Behold, a virgin will be with child and bear a son, and she will call His name Immanuel. (Isaiah 7:14)

Christ is the greatest gift known to man.