Luke 11:8-10
I tell you that, even though he will not get up and give him anything because he is a friend, yet because of his persistence he will rouse himself and give him what he wants.
Luke 18:1
Jesus told his disciples a parable to show them that they should always pray and never despair.
Ephesians 6:18
Pray in spirit at all times. Be intent upon this, with unwearying perseverance and supplication for all Christ's People- -
Colossians 4:2
Devote yourselves to prayer. Give your whole mind to it, and also offer thanksgiving;
1 Thessalonians 5:17
Never cease to pray;
James 5:16
Therefore, confess your sins to one another and pray for one another, that you may be cured. Great is the power of a good man's fervent prayer.