Yeremia 48 : 10 Jeremiah chapter 48 verse 10

Na alaaniwe mtu afanyaye kazi ya Bwana kwa ulegevu; na alaaniwe auzuiaye upanga wake usimwage damu.
soma Mlango wa 48

Cursed be he who does the work of Yahweh negligently; and cursed be he who keeps back his sword from blood.