What unites all believers under the new covenant?

Answer

"Wherefore remember, that you being in time past Gentiles in the flesh, who are called Uncircumcision by
that which is called the Circumcision in the flesh made by hands; that at that time you were without Christ,
being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no
hope, and without God in the world: but now in Christ Jesus you who sometimes were far off are made
nigh by the blood of Christ." Eph. 2: 11-13.
SIMILARITIES BETWEEN THE TWO COVENANTS

What change is wrought in conversion, or the new birth?
What is revealed in the gospel?
When purged from these sins, in what condition is a man, and for what is he prepared?
Where was Daniel at this time?
By what may we know that we have passed from death unto life?
21. What shows that the new, or second, covenant and the Abrahamic covenant are virtually the same?
Of what are the streets of the city composed?

Questions & Answers are from the book Bible Readings for the Home Circle