I say then, have they stumbled that they should fall? Certainly not! But through their fall, to provoke them to jealousy, salvation has come to the Gentiles. Now if their fall is riches for the world, and their failure riches for the Gentiles, how much more their fullness!
Romans 11:11-12

What is the purpose of God for the Church and for Israel? Listen in a Lance brings clarity to this matter.