1 Samuel 1:12
Now it happened as she continued praying before the Lord, that Eli was watching her mouth.
Luke 11:8-10
Luke 18:1
Now Jesus was telling the disciples a parable to make the point that at all times they ought to pray and not give up and lose heart,
Ephesians 6:18
With all prayer and petition pray [with specific requests] at all times [on every occasion and in every season] in the Spirit, and with this in view, stay alert with all perseverance and petition [interceding in prayer] for all
Colossians 4:2
Be persistent and devoted to prayer, being alert and focused in your prayer life with an attitude of thanksgiving.
1 Thessalonians 5:17
be unceasing and persistent in prayer;
James 5:16
Therefore, confess your sins to one another [your false steps, your offenses], and pray for one another, that you may be healed and restored. The heartfelt and persistent prayer of a righteous man (believer) can accomplish much [when put into action and made effective by God—it is dynamic and can have tremendous power].