John Gills Exposition of the Bible Commentary - Exodus 3:1
Now Moses kept the flock of Jethro his father in law, the priest of Midian ,.... Who was either the same with Reuel or Raguel, spoken of in the preceding chapter; or, as others think, a son of his, the father being now dead; seeing it was now forty years since Moses came into Midian, Acts 7:30 . Demetrius F3 Apud Euseb. Praepar. Evangel. l. 9. c. 29. p. 439. , an Heathen writer, expressly says that Jothor a son of Raguel, and Zipporah or Sepphora, as he calls her, was his daughter,... read more
Matthew Henry's Complete Commentary - Exodus 3:1-6
The years of the life of Moses are remarkably divided into three forties: the first forty he spent as a prince in Pharaoh's court, the second a shepherd in Midian, the third a king in Jeshurun; so changeable is the life of men, especially the life of good men. He had now finished his second forty, when he received his commission to bring Israel out of Egypt. Note, Sometimes it is long before God calls his servants out of that work which of old he designed them for, and has been graciously... read more