Church of Israel: A Type of the Church of Christ
Source: TTT
Galatians 4:24–26
These things serve as illustrations, for the women represent two covenants. One covenant is from Mount Sinai and bears children into slavery: This is Hagar. / Now Hagar stands for Mount Sinai in Arabia and corresponds to the present-day Jerusalem, because she is in slavery with her children. / But the Jerusalem above is free, and she is our mother.
Hebrews 12:23
in joyful assembly, to the congregation of the firstborn, enrolled in heaven. You have come to God the Judge of all, to the spirits of the righteous made perfect,