Luke 2:37

And she was a widow of about fourscore and four years, who departed not from the temple, but served God with fastings and prayers, night and day.

Luke 11:8-13

I tell you, though he will not rise and give him,

Luke 18:7

And shall not God vindicate his own elect, who cry to him day and night, though he bear long with them?

Ephesians 6:18

which is the word of God, Praying alway by the Spirit with all prayer and supplication, and watching thereunto with all perseverance and supplication for all the saints,

Treasury of Scripture Knowledge

Summary

Be merciful unto me, O Lord: for I cry unto thee daily.

Bible References

For i

Luke 2:37
And she was a widow of about fourscore and four years, who departed not from the temple, but served God with fastings and prayers, night and day.
Luke 11:8
I tell you, though he will not rise and give him,
Luke 18:7
And shall not God vindicate his own elect, who cry to him day and night, though he bear long with them?
Ephesians 6:18
which is the word of God, Praying alway by the Spirit with all prayer and supplication, and watching thereunto with all perseverance and supplication for all the saints,