Treasury of Scripture Knowledge

Summary

And they of the circumcision which believed were astonished, as many as came with Peter, because that on the Gentiles also was poured out the gift of the Holy Ghost.

Bible References

The gentiles

Ephesians 2:11
Remember, then, that once upon a time you Gentiles in the flesh, who are called 'the Uncircumcision' by that so-called 'Circumcision' which is itself the product of human hands in the flesh ??12 remember you were in those days outside Christ, aliens to the commonwealth of Israel, and strangers to the covenants of the Promise, devoid of hope and God within the world.
Ephesians 3:5
which was not disclosed to the sons of men in other generations as it has now been revealed to his sacred apostles and prophets by the Spirit),
Colossians 2:13
For though you were dead in your trespasses, your flesh uncircumcised, He made you live with Christ, He forgave us all our trespasses,