Luke 18:1
He also taught them by a parable that they must always pray and never lose heart.
Philippians 4:6
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.
Colossians 4:2
Be earnest and unwearied in prayer, being on the alert in it and in your giving of thanks.
Treasury of Scripture Knowledge
Summary
Because he hath inclined his ear unto me, therefore will I call upon him as long as I live.
Therefore
Bible References
Therefore
Luke 18:1
He also taught them by a parable that they must always pray and never lose heart.
Philippians 4:6
Do not be over-anxious about anything, but by prayer and earnest pleading, together with thanksgiving, let your request be unreservedly made known in the presence of God.
Colossians 4:2
Be earnest and unwearied in prayer, being on the alert in it and in your giving of thanks.