13 And Moses said unto the people, Fear ye not, stand still, and see the salvation of the Lord, which he will shew to you to day: for the Egyptians whom ye have seen to day, ye shall see them again no more for ever.

14 The Lord shall fight for you, and ye shall hold your peace.

15 And the Lord said unto Moses, Wherefore criest thou unto me? speak unto the children of Israel, that they go forward:

16 But lift thou up thy rod, and stretch out thine hand over the sea, and divide it: and the children of Israel shall go on dry ground through the midst of the sea.

Moses appears to have been unperturbed by the Israelites mocking, frantic questions. He assured the Israelites that they would not have to trade blows with the Egyptians, for God would battle for them. After all, hadn’t God battled for them with His plagues in the midst of Egypt? The Israelites had sat idly by while the Lord worked His wonders there, and Moses was confident that it would be the same here.

But notice that Moses first told the Israelites to “stand still,” and then the Lord corrected him, saying “Whererfore criest thou unto me? Speak unto the children of Israel, that they go forward.” Moses had been incorrect in suggesting that the Israelites should remain motionless, when actually God needed them to start moving. This suggests that until God detailed the parting of the sea in verse 16, Moses had no idea what God’s plan to save the Israelites actually was. He was sure that God would save his people, though, even if he didn’t know in what way. This reveals great faith on Moses’s part. It shows the confidence he had in the character of God, and how he rested in the certainty that the Lord would surely save them somehow.

The somehow, God revealed, was going to require more of the Israelites than standing on the banks of the sea. Back in Egypt, He had worked many wonders that required no involvement from the Israelites, but He had also worked some wonders where something was required of them, such as painting the lamb’s blood on their door posts. This next miracle was going to be of the latter category.

Moses was absolutely correct when he told the Israelites that God would fight for them and destroy their enemies, but first they had to get themselves to the place appointed for their salvation.