Why not? Because they tried to do it without faith. They tried to be right with God by what they did. They tripped over the stone that causes people to trip and fall.
Then the Lord will be a holy place of safety for you. But that’s not true for many people in Israel and Judah. He will be a stone that causes them to trip. He will be a rock that makes them fall. And for the people of Jerusalem he will be a trap and a snare.
Then Simeon blessed them. He said to Mary, Jesus’ mother, “This child is going to cause many people in Israel to fall and to rise. God has sent him. But many will speak against him.
Again, here is what I ask. The Israelites didn’t trip and fall once and for all time, did they? Not at all! Because Israel sinned, the Gentiles can be saved. That will make Israel jealous of them.
The promise is based on God’s grace. The promise comes by faith. All of Abraham’s children will certainly receive the promise. And it is not only for those who are ruled by the law. Those who have the same faith that Abraham had are also included. He is the father of us all.
In Scripture it says, “Look! I am placing a stone in Zion. It is a chosen and very valuable stone. It is the most important stone in the building. The one who trusts in him will never be put to shame.” (Isaiah 28:16)
And, “It is a stone that causes people to trip. It is a rock that makes them fall.” (Isaiah 8:14) They trip and fall because they do not obey the message. That is also what God planned for them.