And we are his witnesses of these things; and so is also the Holy Ghost, whom God hath given to them that obey him.
And we are his witnesses of these things, х toon (G3588) reematoon (G4487) toutoon (G5130)] - 'of these matters,' meaning here matters of fact, of which Peter affirms himself and his fellow-apostles to be competent witnesses;
And [so is] also the Holy Spirit - attesting these facts by undeniable miracles. Whom God hath given to them that obey him, х tois (G3588) peitharchousin (G3980) autoo (G846)] - that is, that render to Him the obedience of faith in His Son (cf. Acts 6:7; Romans 16:26).
The Deadly Rage of the Sanhedrim at this Testimony Is Calmed by Gamaliel (5:33-39)