The word of the day is “cornerstone.”  What should be the foundation of the church and our very lives?  With what should we orient our communities of faith and ourselves?  In today’s reading of 1 Peter 1:1-2, 10-12, 2:6-10, the apostle writes, “Therefore it is also contained in the Scripture, ‘Behold, I lay in Zion a chief cornerstone, elect, precious, and he who believes on Him will by no means be put to shame’” (OSB 1 Peter 2:6).  Today we learn that this prophecy refers to Jesus Christ and that we should conform the church and ourselves to Him. The Prophecy of Isaiah The origin of the metaphor of the cornerstone is the prophecy of Isaiah, “Therefore thus says the Lord GOD: ‘Behold, I…