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.
Read Chapter 2
A Treatise Against the Heretic Novatian
Whence also the Lord Christ charges upon Peter, and moreover also upon the rest of His disciples, "Go ye and preach the Gospel to the nations, baptizing them in the name of the Father, and of the Son, and of the Holy Spirit."
and having received from the Father the Promise of the Holy Spirit:
Therefore also the Lord Jesus Christ Himself not only gave the Holy Spirit as God, but also received it as man, and therefore He is said to be full of grace, of the Holy Spirit (Lk 2:52). He is to be understood to have been then anointed with that mystical and invisible unction, when the Word of God was made flesh when human nature, without any precedent merits of good works, was joined to God the Word in the womb of the Virgin, so that with it it became one person. Therefore it is that we confess Him to have been born of the Holy Spirit and of the Virgin Mary. ...
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) ...
The promise, he says; because [promised] before His Passion. Observe how he now makes it all His [He has poured forth this], covertly making a great point. For if it was he poured this out, it is of Him that the Prophet has spoken above, Or [it may be], the promise which He promised to us. He so foreknew it about to be, and has given it to us greater after the resurrection. And, has poured it out, he says; not requiring worthiness: and not simply gave, but with abundance. ...