1 Samuel 1:12
And as she continued praying before the LORD, Eli marked her mouth -
Luke 11:8-10
I say unto you, Though he would not arise and give him, because he is his friend: Yet because of his importunity he would rise and give him as many as he needed.
Luke 18:1
He put forth a similitude unto them, signifying that men ought always to pray, and not to be weary,
Ephesians 6:18
and pray always with all manner prayer and supplication - and that in the spirit - and watch thereunto with all instance and supplication for all saints,
Colossians 4:2
Continue in prayer and watch in the same with thanksgiving,
1 Thessalonians 5:17
Pray continually.
James 5:16
Knowledge your faults one to another: and pray one for another, that ye may be healed. The prayer of a righteous man availeth much, if it be fervent.