“Please, Your Majesty,” the woman continued, “swear by the Lord your God that you will stop the person wanting to avenge the murder from making it worse by killing my son!” “As the Lord lives,” he promised, “not a single hair from your son's head will fall to the ground.”
“Tell the Israelites that these are the rules to handle cases of those who sin unintentionally against any of the Lord's commandments and do what is not permitted.
So by these two actions that can't be changed, and since it's impossible for God to lie, we can have total confidence, having run for safety to take hold of the hope God presented to us.
When he gets to one of these towns, he shall state his case to the elders at the town gates. They must allow him to enter, and they will also arrange a place for him to stay.