Luke 11:9-13
9 “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.(A)
10 For everyone who (a)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.
11 What father among you, if his son asks for a fish, will give him a snake instead of a fish?
12 Or if he asks for an egg, will give him a scorpion?
13 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!”
Footnotes:
a.
Luke 11:10: Here the use of Greek present imperatives (asking, seeking, knocking; vv 9, 10) emphasizes persistent, constant prayer.