Matthew 15:25

And he said, Let me go, for the day breaketh. And he said, I will not let thee go, except thou bless me.

Yea, he had power over the angel, and prevailed: he wept, and made supplication unto him: he found him in Bethel, and there he spake with us;

And the multitude rebuked them, because they should hold their peace: but they cried the more, saying, Have mercy on us, O Lord, thou son of David.

I say unto you, Though he will not rise and give him, because he is his friend, yet because of his importunity he will rise and give him as many as he needeth. And I say unto you, Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you. For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened.

And he spake a parable unto them to this end, that men ought always to pray, and not to faint;