However, suppose a person hates someone else and stalks him, attacks him, kills him, and then flees to one of these cities.

Anyone who accidentally killed someone without hating him at the time of the accident could flee to one of those cities and be safe.

Suppose he goes with someone else to the forest to cut wood and when he raises the ax to cut the tree, the ax head flies loose from the handle and strikes his fellow worker so hard that he dies. The person responsible may then flee to one of these cities to save himself.

When a man is newly married, he need not go into the army nor be obligated in any way; he must be free to stay at home for a full year and bring joy to the wife he has married.