Acts 10:45

And those of the circumcision, who believed (as many as came with Peter), were astonished because the gift of the Holy Spirit was poured out on the nations also.

Acts 10:23

Then he called them in and lodged them. And on the next day Peter went away with them, and certain brothers from Joppa went with him.

Acts 2:38

Then Peter said to them, Repent and be baptized, every one of you, in the name of Jesus Christ to remission of sins, and you shall receive the gift of the Holy Spirit.

Acts 2:33

Therefore being exalted to the right of God, and having received from the Father the promise of the Holy Spirit, He has poured out this which you now see and hear.

Acts 11:3

saying, You went in to uncircumcised men and ate with them.

Acts 11:15-18

And as I began to speak, the Holy Spirit fell on them, as on us at the beginning.

Galatians 2:15

We Jews by nature, and not sinners of the nations,

Galatians 3:13-14

Christ redeemed us from the curse of the Law, being made a curse for us (for it is written, "Cursed is everyone having been hanged on a tree");

Ephesians 2:11

Therefore remember that you, the nations, in time past were in the flesh, who are called Uncircumcision by that which is called the Circumcision in the flesh made by hands;

Ephesians 3:5-8

which in other ages was not made known to the sons of men, as it is now revealed to His holy apostles and prophets by the Spirit,

Colossians 2:13-14

And you, being dead in your sins and the uncircumcision of your flesh, He has made alive together with Him, having forgiven you all trespasses,

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

Galatians 2:15
We Jews by nature, and not sinners of the nations,
Ephesians 2:11
Therefore remember that you, the nations, in time past were in the flesh, who are called Uncircumcision by that which is called the Circumcision in the flesh made by hands;
Ephesians 3:5
which in other ages was not made known to the sons of men, as it is now revealed to His holy apostles and prophets by the Spirit,
Colossians 2:13
And you, being dead in your sins and the uncircumcision of your flesh, He has made alive together with Him, having forgiven you all trespasses,