18:11 Now I know that the LORD [is] greater than all gods: for in the thing wherein they dealt proudly {e} [he was] above them.
(e) For they that drowned the children of the Israelites, perished themselves by water.
18:11 Now know I that JEHOVAH is greater than all gods - That the God of Israel is greater than all pretenders; all deities, that usurp divine honours: he silenceth them, subdues them all, and is himself the only living and true God. He is also higher than all princes and potentates, who also are called gods, and has both an incontestable authority over them, and an irresistible power to control them; he manages them all as he pleaseth, and gets honour upon them how great soever they are. Now know I: he knew it before, but now he knew it better; his faith grew up to a full assurance, upon this fresh evidence; for wherein they dealt proudly - The magicians or idols of Egypt, or Pharaoh and his grandees, opposing God, and setting up in competition with him, he was above them. The magicians were baffled, Pharaoh humbled, his powers broken, and Israel rescued out of their hands.
18:7-12 Conversation concerning God's wondrous works is good, and edifies. Jethro not only rejoiced in the honour done to his son-in-law, but in all the goodness done to Israel. Standers-by were more affected with the favours God had showed to Israel, than many were who received them. Jethro gave the glory to Israel's God. Whatever we have the joy of, God must have the praise. They joined in a sacrifice of thanksgiving. Mutual friendship is sanctified by joint worship. It is very good for relations and friends to join in the spiritual sacrifice of prayer and praise, as those that meet in Christ. This was a temperate feast; they did eat bread, manna. Jethro must see and taste that bread from heaven, and though a gentile, is welcome: the gentiles are welcomed to Christ the Bread of life.