Luke 11:8
I tell you, even though he will not get up and give him something because he is a friend, yet because of his friend's persistence, he will [eventually] get up and give him whatever he needs.
Matthew 15:22-28
Just then a Canaanite woman came out of that area [Note: Mark 7:26 calls her a Syrophoenician Gentile], crying, "O Lord, son of David, have pity on me. My daughter is seriously troubled by an evil spirit."
Luke 18:1-8
Then Jesus told His disciples a parable for the purpose of showing them that they should pray continually and not become discouraged.
Romans 15:30
Now I urge you, brothers, through our Lord Jesus Christ [See 12:1], and through the Holy Spirit's love [in us], that you people join me in fervently praying to God for me
2 Corinthians 12:8
I pled with the Lord about this matter three times, that He would remove this problem from me.
Colossians 2:1
I want you to know how much I am struggling for you [Note: This probably refers to the great effort Paul was exerting in prayer, preaching, etc.], and for those at Laodicia [Note: This was a town ten miles west of Colosse], and for all those who have never met me in person.
Colossians 4:12
Epaphras, who is one of you [See 1:7; 4:9], a slave of Christ Jesus, sends you his greetings. He always struggles in his prayers on your behalf so that you will remain mature and be fully convinced [that you are living] by all that God wants [for your life].