Luke 11:9-14

“So I say to you, ask and keep on asking, and it will be given to you; seek and keep on seeking, and you will find; knock and keep on knocking, and the door will be opened to you. [Matt 7:7-11] For everyone who keeps on asking [persistently], receives; and he who keeps on seeking [persistently], finds; and to him who keeps on knocking [persistently], the door will be opened. What father among you, if his son asks for a fish, will give him a snake instead of a fish? Or if he asks for an egg, will give him a scorpion? If you, then, being evil [that is, sinful by nature], know how to give good gifts to your children, how much more will your heavenly Father give the Holy Spirit to those who ask and continue to ask Him!” And [at another time] Jesus was casting out a demon, and it was [controlling a man so as to make him] mute; when the demon had gone out, the mute man spoke. And the crowds were awed. [Matt 12:22-24]