'Have Mercy' in the Bible

And I will dash them one against another, even the fathers and the sons together, says the LORD: I will not pity, nor spare, nor have mercy, but destroy them.

And afterward, says the LORD, I will deliver Zedekiah king of Judah, and his servants, and the people, and such as are left in this city from the pestilence, from the sword, and from the famine, into the hand of Nebuchadnezzar king of Babylon, and into the hand of their enemies, and into the hand of those that seek their life: and he shall strike them with the edge of the sword; he shall not spare them, neither have pity, nor have mercy.

Thus says the LORD; Behold, I will bring again the captivity of Jacob's tents, and have mercy on his dwelling places; and the city shall be built upon its own mound, and the palace shall stand in its proper place.

Is Ephraim my dear son? is he a pleasant child? for since I spoke against him, I do earnestly remember him still: therefore my heart is troubled for him; I will surely have mercy upon him, says the LORD.

Then will I cast away the descendants of Jacob, and David my servant, so that I will not take any of his descendants to be rulers over the descendants of Abraham, Isaac, and Jacob: for I will cause their captivity to return, and have mercy on them.

And I will show mercies unto you, that he may have mercy upon you, and cause you to return to your own land.