Moses
Deuteronomy 32:2BSB·traditional attribution

Let my teaching fall like rain and my speech settle like dew, like gentle rain on new grass, like showers on tender plants.

John Calvin Reformed @genevareformer

2 My doctrine shall drop as the rain. Some, as I think improperly, here resolve the future tense into the optative mood, So the LXX., V., Vatablus, Junius, and others. Ainsworth combines the two, and says, “shall drop, or let it drop, as being a wish, and also a promise, that his doctrine should be profitable and effectual,” etc.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A commanding preface or introduction to this song of Moses, Deu 32:1, Deu 32:2. He begins, 1. With a solemn appeal to heaven and earth concerning the truth and importance of what he was about to say, and the justice of the divine proceedings against a rebellious and backsliding people, for he had said (Deu 31:28) that he would in this song...

Commenting on Deuteronomy 32:1-6

John Gill Reformed Baptist @doctorgill

My doctrine shall drop as the rain, my speech shall distil as the dew,.... Which some, as Aben Ezra, take to be a prayer or wish, that the doctrine spoken by him might fall upon men like rain and dew on the earth, penetrate into their hearts, and influence them, and produce good effects there; but the words rather seem to be a prophecy of...