Augustine of Hippo, on John 15:26

“But when the Paraclete cometh, whom I will send you from the Father, the Spirit of truth, who proceedeth from the Father, he shall give testimony of me.”

“(Tr. xcii. 2) As if He said, Seeing Me, they hated and killed Me: but the Comforter shall give such testimony concerning Me, as shall make them believe, though they see Me not. And because He shall testify, ye shall testify also: And ye also shall bear witness: He will inspire your hearts, and ye shall proclaim with your voices. And ye will preach what ye know; Because ye have been with Me from the beginning; which now ye do not do, because ye have not yet the fulness of the Spirit. But the love of God shall then be shed abroad in your hearts by the Spirit which shall be given you, and shall make you confident witnesses to Me. The Holy Spirit by His testimony made others testify; taking away fear from the friends of Christ’s, and converting the hatred of His enemies into love.”

Imported from an open dataset — not yet checked against the printed edition.