There was a church in the New Testament at Corinth that was small in number. There were many weak and sickly members.
There was a larger church in the Old Testament of about 3 million in number, which lived under much more trying circumstances but there was not one feeble person among their tribes. It was the children of Israel.
Two groups of people, one under law the covenant of the blood of animals and one under the blood covenant of the Son of God. Those under the blood of animals faired better than the ones under the blood of Christ.