'Have Mercy' in the Bible

"Should I then, for all this, have mercy upon thee? Thy children have forsaken me, and sworn by them that are no gods. And albeit they were bound to me in marriage, yet they fell to adultery, and hunted harlots' houses.

And when I have rooted them out, I will be at one with them again, and will have mercy upon them: and bring them again, every man to his own heritage, and into his land.

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

And afterward, saith 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 Nebuchadrezzar king of Babylon, and into the hand of their enemies, and into the hand of those that seek their life: and he shall smite them with the edge of the sword; he shall not spare them, neither have pity, nor have mercy.

Thus saith the LORD; Behold, I will bring again the captivity of Jacob's tents, and have mercy on his dwellingplaces; and the city shall be builded upon her own heap, and the palace shall remain after the manner thereof.

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

You have mercy on thousands, and send punishment for the evil-doing of the fathers on their children after them: the great, the strong God, the Lord of armies is his name:

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

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