Matthew 7:7
"Keep on asking, and the gift will be given you; keep on seeking, and you will find; keep on knocking, and the door will open to you.
Matthew 7:11
So if you, in spite of your being bad, know how to give your children what is good, how much more surely will your heavenly Father give what is good to those who keep on asking Him?
Luke 11:8
I tell you, although he will not get up and give you any because he is your friend, yet because of your persistence he will get up and give you all your needs.
Luke 18:1
Now He told them the following story to show how necessary it is for people always to pray and never to give up:
Ephesians 6:18
Keep on praying in the Spirit, with every kind of prayer and entreaty, at every opportunity, be ever on the alert with perfect devotion and entreaty for all God's people,
Hebrews 4:16
So let us continue coming with courage to the throne of God's unmerited favor to obtain His mercy and to find His spiritual strength to help us when we need it.
Hebrews 10:20-22
the new and living way which He opened for us, through the curtain, that is, His physical nature,