Isaiah 7:4-14

4and say unto him, Take heed, and be quiet; fear not, neither let thy heart be faint, because of these two tails of smoking firebrands, for the fierce anger of Rezin and Syria, and of the son of Remaliah. 5Because Syria, Ephraim, and the son of Remaliah, have purposed evil against thee, saying, 6Let us go up against Judah, and vex it, and let us make a breach therein for us, and set up a king in the midst of it, even the son of Tabeel; 7thus saith the Lord Jehovah, It shall not stand, neither shall it come to pass. 8For the head of Syria is Damascus, and the head of Damascus is Rezin; and within threescore and five years shall Ephraim be broken in pieces, so that it shall not be a people: 9and the head of Ephraim is Samaria, and the head of Samaria is Remaliah’s son. If ye will not believe, surely ye shall not be established.

10And Jehovah spake again unto Ahaz, saying, 11Ask thee a sign of Jehovah thy God; ask it either in the depth, or in the height above. 12But Ahaz said, I will not ask, neither will I tempt Jehovah. 13And he said, Hear ye now, O house of David: Is it a small thing for you to weary men, that ye will weary my God also? 14Therefore the Lord himself will give you a sign: behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel.