10. Once a year Aaron must purify the altar by smearing on its four corners the blood of an animal sacrificed for sin, and this practice must always be followed. The altar is sacred because it is dedicated to me.
11. The Lord said to Moses:
12. Find out how many grown men there are in Israel and require each of them to pay me to keep him safe from danger while you are counting them.
13-15. Each man over nineteen, whether rich or poor, must pay me the same amount of money, weighed according to the official standards.