OT-PROPHET-MINOR.filter - rsv serves:

rsv@Malachi:3:17 @ "They shall be mine, says the LORD of hosts, my special possession on the day when I act, and I will spare them as a man spares his son who serves him.

rsv@Malachi:3:18 @ Then once more you shall distinguish between the righteous and the wicked, between one who serves God and one who does not serve him.