Original Verse:
Acts Chapter 28 Verse 31preaching the Kingdom of God, and teaching the things concerning the Lord Jesus Christ with all boldness, without hindrance.

Reference Verses:
Acts Chapter 4 Verse 29Now, Lord, look at their threats, and grant to your servants to speak your word with all boldness,
Acts Chapter 13 Verse 46Paul and Barnabas spoke out boldly, and said, "It was necessary that God's word should be spoken to you first. Since indeed you thrust it from you, and judge yourselves unworthy of eternal life, behold, we turn to the Gentiles.
Acts Chapter 1 Verse 3To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days, and speaking about God's Kingdom.
Acts Chapter 19 Verse 8He entered into the synagogue, and spoke boldly for a period of three months, reasoning and persuading about the things concerning the Kingdom of God.
Acts Chapter 20 Verse 25"Now, behold, I know that you all, among whom I went about preaching the Kingdom of God, will see my face no more.
Acts Chapter 28 Verse 23When they had appointed him a day, many people came to him at his lodging. He explained to them, testifying about the Kingdom of God, and persuading them concerning Jesus, both from the law of Moses and from the prophets, from morning until evening.
Matthew Chapter 4 Verse 23Jesus went about in all Galilee, teaching in their synagogues, preaching the Good News of the Kingdom, and healing every disease and every sickness among the people.
2nd Timothy Chapter 2 Verse 9in which I suffer hardship to the point of chains as a criminal. But God's word isn't chained.