<p>4:22 <i>All the saints greet you, especially they that are of Caesar's household</i>- &quot;All the saints&quot; again emphasizes the value of the rank and file believers; see on :21. As noted on 1:13, Paul's witness (presumably via the soldiers he was chained to) had led to conversions within the extended family and slaves of Caesar's palace; although according to Romans 16 there were already some believers there. Through all the hard things that happened to Paul, the Gospel had entered the very elitest centre of the Roman empire. Josephus even suggests that the Empress Poppaea may have been favourably inclined to Christianity. This is an encouragement for all time that even the worst experiences and situations have a role to play in the extension of the Lord's saving way amongst men. And Paul realized that, hence &quot;especially they...&quot;.</p>