Just out of curiosity, who was David speaking of in Psalm 110, verse 1?
Keep reading:
4:25 But I tell you of a truth, many widows were in Israel in the days of Elias, when the heaven was shut up three years and six months, when great famine was throughout all the land;
4:26 But unto none of them was Elias sent, save unto Sarepta, a city of Sidon, unto a woman that was a widow.
4:27 And many lepers were in Israel in the time of Eliseus the prophet; and none of them was cleansed, saving Naaman the Syrian.
The Jewish Messianic prophesy is not based on mercy or pity. They have to be righteous within the law.
The Jews were not clean and rejected the law.
Elijah will come when the Israelis are under the law of Moses. And until Elijah returns, they will not have the Messiah.
A prayer to his grand40thson to crush his enemies.
Either that, or the Sacred Number of the Count of the Holy Hand Grenade of Antioch ...