Then Peter, filled with the Holy Spirit, answered them Maybe you’ve noticed this character who keeps appearing throughout Acts.   He’s usually in the background, avoiding the limelight.   He has almost no speaking parts, and yet he always manages to get in on the action.   The evidence of his presence is on every page.   He is the Holy Spirit, of course! Today’s first reading (Acts 4:8) is a perfect example of the major role that the Holy...