John the Apostle
John 14:15BSB·traditional attribution

If you love Me, you will keep My commandments.

John Calvin Reformed @genevareformer

15. If you love me. The love with which the disciples loved Christ was true and sincere, and yet there was some superstition mixed with it, as is frequently the case with ourselves; for it was very foolish in them to wish to keep him in the world.

Matthew Henry Presbyterian @wholebiblehenry

Christ not only proposes such things to them as were the matter of their comfort, but here promises to send the Spirit, whose office it should be to be their Comforter, to impress these things upon them. I. He premises to this a memento of duty (Joh 14:15): If you love me, keep my commandments.

Commenting on John 14:15-17

John Gill Reformed Baptist @doctorgill

If ye love me,.... Not that Christ doubted of the love of his disciples to him; but he argues from it to their observance of his precepts, seeing ye do love me; as all do who are born again, who have had any spiritual sight of him, of his glory, suitableness, and fulness; who believe in him, and have received from him; who have had...