'Have Mercy' in the Bible

And as Jesus passed on from there, two blind men followed him, crying out, "Have mercy on us, Son of David."

And behold, a Canaanite woman from that region came out and cried to him, "Have mercy on me, O Lord, Son of David! My daughter is severely demon-possessed."

"Lord, have mercy on my son, for he is an epileptic and he suffers terribly; for often he falls into the fire, and often into the water.

And behold, two blind men sitting by the roadside, when they heard that Jesus was passing by, cried out, "Lord, have mercy on us, Son of David!"

The crowd rebuked them, telling them to be quiet; but they cried out all the more, "Lord, have mercy on us, Son of David!"