His name; his power; for by it he is known, as men or things are by their several names; or the name of Christ is put for Christ himself, as the name of God is put for God commonly. Through faith in his name; calling by faith on the name of Christ, being thoroughly persuaded that he could and would heal this cripple. The faith which is by him; not only faith, as on Christ as its object, but by and from Christ as its author; faith being twice made mention of in this cure, there being required faith in Peter to heal, and in the lame man to be healed.
Related Commentaries of Acts 3:16
Acts 3:16
16 And his name through faith in his name hath made this man strong, whom ye see and know: yea, the faith which is by him hath given him this perfect soundness in the presence of you all.