Acts 8:36 has the Ethiopian eunuch asking 'what hinders me from being baptized?'—the same question of permission Peter raises here.

Acts 11:15-17 recounts Peter's defense: if God gave the same gift, he could not hinder baptism—directly echoing his question here.

In Acts 15:8, Peter reiterates that God bore witness by giving the Spirit to Gentiles, confirming the same event.

In Acts 15:9, the Council explains God made no distinction, cleansing their hearts—the basis for Peter's question.

In Acts 8:16, Samaritans receive Spirit only after baptism—contrasting with Cornelius's household who receive it before.

In Acts 11:17, Peter justifies baptizing Gentiles by arguing God gave the same gift of Spirit—directly echoes his question.

In Romans 10:12, Paul says no distinction between Jew and Greek—the same truth Peter enacts by baptizing Gentiles.

In Matthew 28:19, Jesus commands baptizing all nations; Peter applies it to Gentiles who received the Spirit.