Jesus himself used the terms “CHURCH” and “KINGDOM” interchangeably in his announcement at Caesarea Philippi (Matthew 16:18) It is mandatory to view the Lord’s words there as a reference NOT to two institutions but to ONE.
The great prophecies of Isaiah which formed the background of the apostle’s thought here, and which he would immediately quote, foretold, the formation of the Christian church, for the spiritual worship of God, under the image of a temple, which God would build on Messiah as a foundation-stone thereof.
A refuge for the coming night
A future of eternal life. No one gets to Heaven without a fight
The example of a rejected stone becoming the chief stone was founded on historical fact.