John the Apostle
John 14:26ESV·traditional attribution

But the Helper, the Holy Spirit, whom the Father will send in my name, he will teach you all things and bring to your remembrance all that I have said to you.

Matthew Henry Presbyterian @wholebiblehenry

Two things Christ here comforts his disciples with: - I. That they should be under the tuition of his Spirit, Joh 14:25, Joh 14:26, where we may observe, 1. The reflection Christ would have them make upon the instructions he had given them: These things have I spoken unto you (referring to all the good lessons he had taught them, since they entered themselves into...

Commenting on John 14:25-27

John Gill Reformed Baptist @doctorgill

But the Comforter, which is the Holy Ghost,.... Before spoken of, Joh 14:16, for whom Christ promised to pray the Father that he might be given to them. The word used there, as here, signifies an "advocate", and is so rendered, Jo1 2:1, a patron, one that pleads and defends, the cause of another, before kings and princes; so the Jewish writers (z) use the...

Albert Barnes Presbyterian @notesbybarnes

Verse 26. Will send in my name. On my account. To perfect my work. To execute it as I would in applying it to the hearts of men. See . Shall teach you all things. All things which it was needful for them to understand in the apostolic office, and particularly those things which they were not prepared then to hear or could not then understand. See . Comp.