Therefore being by the right hand of God exalted, and having received of the Father the promise of the Holy Spirit, he has poured forth this, which you now see and hear.
All Commentaries on Acts 2:33 Go To Acts 2
George Leo Haydock
AD 1849
He hath poured forth this, which we see, and hear, by the effects, by the noise, as it were of thunder, by our speaking languages (Witham)
It does not appear that the holy Spirit was visible to the multitude, whom St. Peter addressed. But they perceived sensible marks of his presence, in the great noise, which had called them together, and the divers tongues spoken by illiterate men, who had never studied. (Haydock)