John the Apostle
John 15:8ESV·traditional attribution

By this my Father is glorified, that you bear much fruit and so prove to be my disciples.

John Calvin Reformed @genevareformer

8. In this my Father is glorified This is a confirmation of the former statement; for he shows that we ought not to doubt that God will listen to the prayers of his people, when they desire to be rendered fruitful; for this contributes very greatly to his glory.

Matthew Henry Presbyterian @wholebiblehenry

Here Christ discourses concerning the fruit, the fruits of the Spirit, which his disciples were to bring forth, under the similitude of a vine. Observe here, I. The doctrine of this similitude; what notion we ought to have of it. 1. That Jesus Christ is the vine, the true vine.

Commenting on John 15:1-8

John Gill Reformed Baptist @doctorgill

As the Father hath loved me,.... As his own Son, and as Mediator, from everlasting; and in time, in his state of humiliation, throughout the course of his obedience, and under all his sufferings; which he testified more than once by a voice from heaven; which he showed by concealing nothing from him as Mediator, by giving all things into his hands, by showing him...