The bulk of the relevant para from Irenaeus, with the first words of the next para.
3 ... Moreover, he maintains that power which descended was the seed of the Father, which had in itself both the Father and the Son, as well as that power of Sige which is known by means of them, but cannot be expressed in language, and also all the Æons. And this was that Spirit who spoke by the mouth of Jesus, and who confessed that He was the son of Man as well as revealed the Father, and who, having descended into Jesus, was made one with Him. ...
4. Such ravings ...