'Mercy' in the Bible

He didn't allow him, but said to him, "Go to your house, to your friends, and tell them what great things the Lord has done for you, and how he had mercy on you."

When he heard that it was Jesus the Nazarene, he began to cry out, and say, "Jesus, you son of David, have mercy on me!"

Many rebuked him, that he should be quiet, but he cried out much more, "You son of David, have mercy on me!"