God has never abandoned the Nation of Israel, however he has put conditions on their prosperity: 2nd Chronicles If my people, which are called by my name, shall humble themselves, and pray, and seek my face, and turn from their wicked ways; then will I hear from heaven, and will forgive their sin, and will heal their land.
Matthew and 38 O Jerusalem, Jerusalem, thou that killest the prophets, and stonest them which are sent unto thee, how often would I have gathered thy children together, even as a hen gathereth her chickens under her wings, and ye would not! John through 16 I am the good shepherd, and know my sheep, and am known of mine.
And he believed in the LORD; and he counted it to him for righteousness.Gen through 22 And Abraham said unto God, O that Ishmael might live before thee!And, behold, the word of the LORD came unto him, saying, This shall not be thine heir; but .And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be.And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him.
And as for Ishmael, I have heard thee: Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation.And when her days to be delivered were fulfilled, behold, there were twins in her womb.And the first came out red, all over like an hairy garment; and they called his name Esau.God does in fact have a special relationship with the Jewish people.That special relationship stems from the fact that Israel is God's chosen nation (the nation through which God would bring Salvation to the world).From this we learn that Jesus intended to include other Nations in Salvation, and that would consist of those whom he knew and they knew him.