As the rain — Look what effect rain and dew have upon herbs and grass which they make fresh and fragrant and growing, the same effect may my discourse have upon your hearts, that is, to make them soft and pliable and fruitful.
Related Commentaries of Deuteronomy 32:2
Deuteronomy 32:2
2 My doctrine shall drop as the rain, my speech shall distil as the dew, as the small rain upon the tender herb, and as the showers upon the grass: