Acts 16:31 records the specific call — 'Believe in the Lord Jesus' — which is the word they spoke to the jailer and his household in verse 32.

Acts 10:33-43 records Peter's sermon to Cornelius' household — a detailed example of speaking the word of the Lord as done in Acts 16:32.

In Romans 1:16, Paul calls the gospel the power of God for salvation to everyone who believes — the very message he proclaims in Acts.

In Romans 1:14, Paul states his obligation to preach to all — Greeks and barbarians — which he fulfills by speaking the word to the Gentile jailer.

In 1 Thessalonians 2:8, Paul expresses a deep desire to share not just the gospel but himself — reflecting the heart behind speaking the word in Acts.

In 1 Timothy 1:13-16, Paul recounts his own sinful past and Christ's mercy, illustrating the same grace that saves the jailer's household.