Through the Wilderness. 113 that he was to go back to Egypt and lead the people of Israel out, that they might not be slaves to Pharaoh any longer, but go and possess the Promised Land, that good land which the Lord had promised to Abraham long ago. “Moses was to go and ask Pharaoh to let them go, and as he had a great difficulty in speaking, the Lord commanded his brother Aaron to go and speak for him. “When Moses and Aaron told Pharaoh that they had a message from God for him, telling him to let the people of Israel leave the land of Egypt, the king refused to obey. But the Lord sent many punishments, as plagues, to him for his disobedience. “ At last the Lord sent a message by Moses and Aaron, that if Pharaoh would not let the. people of Israel go, the eldest child of every Egyptian should die that night. But the king again hardened his heart, and would not obey. “Then Moses told the children of Israel the dreadful thing that was to happen that night, and that every family of the Israelites was to kill a lamb, and sprinkle the doors of their houses with the blood. Then the Israelites were to feast upon the lambs they had killed, all standing up and ready for a H