'Mercy' in the Bible

Hate what is wrong, love what is right! Promote justice at the city gate! Maybe the Lord, the God who commands armies, will have mercy on those who are left from Joseph.

And it came about that after they had taken all the grass of the land, I said, O Lord God, have mercy: how will Jacob be able to keep his place? for he is small.

The Lord said to me, “Amos, what do you see?” And I said, “A plumb line.” Then the Lord said,“Behold, I am setting a plumb line [as a standard]Among My people Israel [showing the defectiveness of the nation, requiring judgment].I shall not spare them any longer. [The door of mercy is shut.]