Matthew 7:7
"Ask, and it will be given to you; seek, and you will find; knock, and the door will be opened to you.
Matthew 7:11
If you then, imperfect as you are, know how to give good gifts to your children, how much more will your Father in Heaven give good things to those who ask Him!
Luke 11:8
"I tell you that even if he will not rise and give him the loaves because he is his friend, at any rate because of his persistency he will rouse himself and give him as many as he requires.
Luke 18:1
He also taught them by a parable that they must always pray and never lose heart.
Ephesians 6:18
Pray with unceasing prayer and entreaty on every fitting occasion in the Spirit, and be always on the alert to seize opportunities for doing so, with unwearied persistence and entreaty on behalf of all God's people,
Hebrews 4:16
Therefore let us come boldly to the throne of grace, that we may receive mercy and find grace to help us in our times of need.
Hebrews 10:20-22
by the new and ever-living way which He opened up for us through the rending of the veil--that is to say, of His earthly nature--