'Have Mercy' in the Bible

Hearing that it was Jesus of Nazareth, he began shouting and saying, "Jesus, thou son of David, have mercy on me!"

and many kept rebuking him and telling him to be quiet, but he only shouted much louder, "Son of David, have mercy on me!"

"And he cried out and said, 'Father Abraham have mercy on me; and send Lazarus to dip the tip of his finger in water and cool my tongue, for I am in anguish in this flame.'

His words to Moses are. I will have mercy on whom I choose to have mercy; I will have compassion on whom I choose to have compassion.

For God has locked up all in the prison of disobedience, that upon all he may have mercy.

For I will have mercy upon their wrong-doings, And their sins I will remember no more."