which is Jesus Christ
The Foundation
Isaiah 28:16 Therefore thus saith the Lord God, Behold, I lay in Zion for a foundation a stone, a tried stone, a precious corner stone, a sure foundation: he that believeth shall not make haste.
I Corinthians 3:11 For other foundation can no man lay than that is laid, which is Jesus Christ.
Matthew 16:18 And I say also unto thee, That thou art Peter, and upon this rock I will build my church; and the gates of hell shall not prevail against it.