Out of Egypt, and immediately into two kinds of memory. Half the chapter legislates: consecrate every firstborn, keep the unleavened week, and bind all of it to your hand and between your eyes — a phrase argued over for two thousand years. Then the route. God steers them away from the coastal road because it runs through war, and archaeology has found the war: that highway was the Ways of Horus, a garrisoned corridor with a chain of forts.