Matthew
Matthew 17:8ESV·traditional attribution

And when they lifted up their eyes, they saw no one but Jesus only.

John Calvin Reformed @genevareformer

8. They saw no man but Jesus only. When it is said that in the end they saw Christ alone, this means that the Law and the Prophets had a temporary glory, that Christ alone might remain fully in view.

Matthew Henry Presbyterian @wholebiblehenry

We have here the story of Christ's transfiguration; he had said that the Son of man should shortly come in his kingdom, with which promise all the three evangelists industriously connect this story; as if Christ's transfiguration were intended for a specimen and an earnest of the kingdom of Christ, and of that light and love of his, which therein appears to his select and sanctified ones.

Commenting on Matthew 17:1-13

John Gill Reformed Baptist @doctorgill

And when they had lift up their eyes,.... And "looked round about", as Mark says, to see whether the same objects still continued, as Moses and Elias; and the bright cloud: they saw no man; neither Moses nor Elias, who were both gone: signifying, that though the law and the prophets were till this time, they were now finished and completed, and the Mosaic economy...