Luke 18:1

And He spake a parable to them, to the end that they ought always to pray, and not to faint;

Luke 18:7

And will not God avenge His elect, who are crying to Him day and night, and He is long suffering over them?

Philippians 4:6-7

Be anxious for nothing; but, in everything by prayer and supplication with thanksgiving, let your requests be made known to God:

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
And He spake a parable to them, to the end that they ought always to pray, and not to faint;
Philippians 4:6
Be anxious for nothing; but, in everything by prayer and supplication with thanksgiving, let your requests be made known to God: