Luke 18:1

Jesus propos'd likewise this parable to them, to show that they should persevere in prayer, and not be discouraged.

Luke 18:7

and will not God avenge his own elect, who cry to him night and day? will he delay their cause?

Philippians 4:6-7

the Lord is coming: be not in any manner of sollicitude, but in all your occasions lay your requests before God by prayer and supplication accompany'd by thanksgiving.

Treasury of Scripture Knowledge

Summary

O LORD, to thee will I cry: for the fire hath devoured the pastures of the wilderness, and the flame hath burned all the trees of the field.

Bible References

To thee

Luke 18:1
Jesus propos'd likewise this parable to them, to show that they should persevere in prayer, and not be discouraged.
Philippians 4:6
the Lord is coming: be not in any manner of sollicitude, but in all your occasions lay your requests before God by prayer and supplication accompany'd by thanksgiving.