Matthew 20:31
And the multitude charged them to be silent. But they cried the more, saying: Have mercy on us, Lord, son of David.
Matthew 19:13
Then little children were brought to him, that he might lay his hands on them and pray. And the disciples rebuked them.
Matthew 7:7-8
Ask, and it shall be given you; seek, and you shall find; knock, and it shall be opened to you.
Matthew 15:23
But he answered her not a word. And his disciples came and besought him, saying: Send her away, for she cries after us.
Luke 11:8-10
I say to you, Although he will not arise and give him, because he is his friend, yet, on account of his importunity, he will arise and give him as many as he needs.
Luke 18:1-8
And he spoke a parable to them, that they ought always to pray, and not to become weary,
Luke 18:39
And those who went before rebuked him, that he should be silent. But he cried so much the more: Son of David, have mercy on me.
Colossians 4:2
Persevere in prayer, and be watchful in the same with thanksgiving;
1 Thessalonians 5:17
pray without ceasing;