The devout man has perished out of the earth, and there is none upright among men. They all lay in wait for blood. They hunt every man his brother with a net.

God

And the men of David said to him, Behold, the day of which LORD said to thee, Behold, I will deliver thine enemy into thy hand, and thou shall do to him as it shall seem good to thee. Then David arose, and cut off the skirt of Saul

And the king said, What have I to do with you, ye sons of Zeruiah? Because he curses, and because LORD has said to him, Curse David, who then shall say, Why have thou done so?

However he does not so reason, nor does his heart so think, but it is in his heart to destroy, and to cut off nations not a few.

I will appoint

then ye shall appoint cities to be cities of refuge for you, that the manslayer who kills any person unwittingly may flee there.

Then Moses set apart three cities beyond the Jordan toward the sunrise,

When LORD thy God shall cut off the nations, whose land LORD thy God gives thee, and thou succeed them, and dwell in their cities, and in their houses,

Speak to the sons of Israel, saying, Assign for you the cities of refuge, of which I spoke to you by Moses,

General references

But if he thrust him suddenly without enmity, or hurled upon him anything without laying in wait,

Cursed be he who smites his neighbor in secret. And all the people shall say, Amen.