Matthew 17:15

17:15 and said, “Lord, have mercy on my son, because he has seizures and suffers terribly, for he often falls into the fire and into the water.

Matthew 20:30-31

20:30 Two blind men were sitting by the road. When they heard that Jesus was passing by, they shouted, “Have mercy on us, Lord, Son of David!” 20:31 The crowd scolded them to get them to be quiet. But they shouted even more loudly, “Lord, have mercy on us, Son of David!”