Matthew 15:25
But she came and knelt before him, saying, "Lord, do help me."
Matthew 8:2
A leper came up and knelt before him, saying, "If you only choose, sir, you can cleanse me";
Matthew 14:33
and the men in the boat worshipped him, saying, "You are certainly God's Son."
Matthew 20:31
The crowd checked them and told them to be quiet, but they shouted all the louder, "O Lord, Son of David, have pity on us!"
Mark 9:22
"it has thrown him into fire and water many a time, to destroy him. If you can do anything, do help us, do have pity on us."
Mark 9:24
At once the father of the boy cried out, "I do believe; help my unbelief."
Luke 11:8-10
I tell you, though he will not get up and give you anything because you are a friend of his, he will at least rise and give you whatever you want, because you persist.
Luke 18:1-8
He also told them a parable about the need of always praying and never losing heart.