John the Apostle
John 3:20BSB·traditional attribution

Everyone who does evil hates the Light, and does not come into the Light for fear that his deeds will be exposed.

John Calvin Reformed @genevareformer

20. For whosoever doeth what is evil. The meaning is, that the light is hateful to them for no other reason than because they are wicked and desire to conceal their sins, as far as lies in their power. Hence it follows that, by rejecting the remedy, they may be said purposely to cherish the ground of their condemnation.

Matthew Henry Presbyterian @wholebiblehenry

We found, in the close of the foregoing chapter, that few were brought to Christ at Jerusalem; yet here was one, a considerable one. It is worth while to go a great way for the salvation though but of one soul. Observe, I. Who this Nicodemus was. Not many mighty and noble are called; yet some are, and here was one.

Commenting on John 3:1-21

John Gill Reformed Baptist @doctorgill

But he that doth truth,.... That which is true, right and good: "he whose work is just", as the Ethiopic version renders it; or, "he that does that which is right", so the Persic; that which is according to the will of God, and from a principle of love to him, and with a view to his glory: cometh to the light; to Christ, and...