Numbers 35:22

“But if he thrust him suddenly, without enmity, etc.] Push him from a precipice, before he is aware, without any malicious design against his life, but merely through accident: or have cast upon him anything; from the top of a house, or from a building he is pulling down, or pushes a bowing wall upon him, not knowing that he is passing by it: and without lying of wait: or having contrived to do it, just as he goes along, or in any other similar way.”

“But if he thrust him suddenly without enmity, or have cast upon him any thing without laying of wait, &c.--Under the excitement of a sudden provocation, or violent passion, an injury might be inflicted issuing in death; and for a person who had thus undesignedly committed slaughter, the Levitical cities offered the benefit of full protection. Once having reached the nearest, for one or other of them was within a day's journey of all parts of the land, he was secure. But he had to "abide in it." His confinement within its walls was a wise and salutary rule, designed to show the sanctity of human blood in God's sight, as well as to protect the manslayer himself, whose presence and intercourse…”

“The sense is: Inasmuch as to take another man’s life by any means whatsoever is murder, and exposes the murderer to the penalty of retaliation; so, if the deed is done in hostility, it is in truth actual murder, and the murderer shall be slain; but if it be not done in hostility, then the congregation shall interpose to stop the avenger’s hand. Numbers 35:19 When he meeteth him - Provided, of course, it were without a city of refuge. Numbers 35:24 The case of the innocent slayer is here contemplated. In a doubtful case there would necessarily have to be a judicial decision as to the guilt or innocence of the person who claimed the right of asylum. Numbers 35:25 The homicide was safe only…”

“35:22-23 Here are some instances in which a victim died but was not murdered through an intentional act of violence. The cities of refuge were created as places of safety for people who were responsible for such accidental deaths.”

“Num 35:11; Exo 21:13; Deu 19:5; Jos 20:3, Jos 20:5 Numbers 35:24”