1 Samuel 1:12
As she continued praying to the Lord, Eli was watching her mouth.
Luke 11:8-10
I tell you, even though the man inside will not get up and give him anything because he is his friend, yet because of the first man's sheer persistence he will get up and give him whatever he needs.
Luke 18:1
Then Jesus told them a parable to show them they should always pray and not lose heart.
Ephesians 6:18
With every prayer and petition, pray at all times in the Spirit, and to this end be alert, with all perseverance and requests for all the saints.
Colossians 4:2
Be devoted to prayer, keeping alert in it with thanksgiving.
1 Thessalonians 5:17
constantly pray,
James 5:16
So confess your sins to one another and pray for one another so that you may be healed. The prayer of a righteous person has great effectiveness.