kjv@Exodus:7:2@ Thou shalt speak all that I command thee: and Aaron thy brother shall speak unto Pharaoh, that he send the children of Israel out of his land.
kjv@Exodus:7:3@ And I will harden Pharaoh's heart, and multiply my signs and my wonders in the land of Egypt.
kjv@Exodus:7:4@ But Pharaoh shall not hearken unto you, that I may lay my hand upon Egypt, and bring forth mine armies, and my people the children of Israel, out of the land of Egypt by great judgments.
kjv@Exodus:7:5@ And the Egyptians shall know that I am the LORD, when I stretch forth mine hand upon Egypt, and bring out the children of Israel from among them.
Because Moses and Aaron had obeyed in the first step even in apparent failure their knowledge of what God intends is being broadened further. Had they not obeyed previously they probably would not be coming to this next step. I would have been better for them to have started out knowing this additional information no doubt but, often we don't come by that knowledge unless we obey right off.
2012 - pBiblx2 Field Wise Bible System Version 2.0.9d - GPL3