16:16-24 Satan, though the father of lies, will declare the most important truths, when he can thereby serve his purposes. But much mischief is done to the real servants of Christ, by unholy and false preachers of the gospel, who are confounded with them by careless observers. Those who do good by drawing men from sin, may expect to be reviled as troublers of the city. While they teach men to fear God, to believe in Christ, to forsake sin, and to live godly lives, they will be accused of teaching bad customs.
23, 24. when they had laid many stripes upon them—the bleeding wounds from which they were not washed till it was done by the converted jailer (Ac 16:33).
charged the jailer … who … thrust them into the inner prison—"pestilential cells, damp and cold, from which the light was excluded, and where the chains rusted on the prisoners. One such place may be seen to this day on the slope of the Capitol at Rome" [Howson].