After teaching three or four lessons per week for almost 22 years, there are not many things in the Bible that I have not seen. Imagine my surprise, then, when last week I came across a story that I had never heard before (and I am guessing you have not either). Joshua and the people of God have just crossed into the Promised Land and have successfully conquered the first two towns; Jericho and Ai. Momentum is on their side. If I was Joshua, I would continue to attack. Instead, Joshua marches his people to the centre of the land, to a place called Shechem. Shechem sits in a valley between two mountains that are about a mile apart. When Joshua arrives, he takes half of the people and puts them on one mountain (Mount Gerizim) and he takes the oth...