John the Apostle
John 12:44BSB·traditional attribution

Then Jesus cried out, “Whoever believes in Me does not believe in Me alone, but in the One who sent Me.

John Calvin Reformed @genevareformer

44. And Jesus cried. The object of Christ, in this statement, is to encourage his followers to a proper and unshaken steadfastness of faith; but it contains also an implied reproof, by which he intended to correct that perverse fear. The cry is expressive of vehemence; for it is not a simple doctrine, but an exhortation intended to excite them more powerfully.

Matthew Henry Presbyterian @wholebiblehenry

We have here the honour Christ not assumed, but asserted, to himself, in the account he gave of his mission and his errand into the world. Probably this discourse was not at the same time with that before (for them he departed, Joh 12:36), but some time after, when he made another public appearance; and, as this evangelist records it, it was Christ's farewell sermon...

Commenting on John 12:44-50

John Gill Reformed Baptist @doctorgill

And he that seeth me, seeth him that sent me. Not with bodily eyes, for there were many that saw Christ, who never saw the Father: they saw Christ as a mere man, and were offended at the meanness of his outward appearance; they saw nothing divine in him, nor the glory of the Father through him; but with the eyes of the understanding, whoever...