Matthew 7:7
"Ask, and it will be given you; seek, and you will find; knock, and the door will be opened to you.
Matthew 7:11
"If you then, evil as you are, know how to give good gifts to your children, how much more will your heavenly Father give good gifts to those who ask him?
Luke 11:8
"I tell you that, though he will not rise and give to him because he is his friend, yet because of his importunate persistence he will rise and give him whatever he needs.
Luke 18:1
He also taught them by a parable how they ought always to pray and never to lose heart.
Ephesians 6:18
Continue to pray at all times, with all prayer and supplication in the Spirit, and watching for it with all perseverance and supplication for all saints;
Hebrews 10:20-22
by the way which he dedicated for us, that new and living way, through the veil (that is, his flesh);