Luke 2:37

And she had been a widow about four score and four years of age, which went never out of the temple, but served God there with fasting and prayer night and day.

1 Timothy 5:5

She that is a very widow, and friendless, putteth her trust in God, and continueth in supplication and prayer night and day:

Acts 14:23

And when they had ordained them elders by election in every congregation, after they had prayed and fasted, they commended them to God on whom they believed.

Exodus 38:8

And he made the laver of brass and the foot of it also of brass, in the sight of them that did watch before the door of the tabernacle of witness.

1 Samuel 2:2

There is none so holy as the LORD: no, there is none save thou. Neither is there any strength like unto our God.

Psalm 22:2

O my God, I cry in the daytime, but thou hearest not: and in the night season also I take no rest.

Psalm 23:6

O let thy loving-kindness and mercy follow me all the days of my life, that I may dwell in the house of the LORD forever.

Psalm 27:4

One thing have I desired of the LORD, which I will require, even that I may dwell in the house of the LORD all the days of my life, to behold the fair beauty of the LORD, and to visit his temple.

Psalm 84:4

Blessed are they that dwell in thy house; they will be always praising thee. Selah.

Psalm 84:10

For one day in thy court is better than a thousand. I had rather be a doorkeeper in the house of my God, than to dwell in the tents of the ungodly.

Psalm 92:13

Such as be planted in the house of the LORD shall flourish in the courts of the house of our God.

Psalm 135:1-2

{Praise the Everlasting} O praise the name of the LORD! Praise it, O ye servants of the LORD;

Luke 5:33

Then they said unto him, "Why do the disciples of John fast often and pray: and the disciples of the Pharisees also: and thine eat and drink?"

Acts 13:3

Then fasted they and prayed, and put their hands on them, and let them go.

Acts 26:7

unto which promise our twelve tribes, instantly serving God day and night, hope to come. For which hope's sake, King Agrippa am I accused of the Jews.

Revelation 3:12

Him that overcometh will I make a pillar in the temple of my God, and he shall go no more out. And I will write upon him, the name of my God, and the name of the city of my God, new Jerusalem, which cometh down out of heaven from my God and I will write upon him my new name.

Revelation 7:15

therefore are they in the presence of the seat of God and serve him day and night in his temple, and he that sitteth in the seat will dwell among them.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

But

Psalm 22:2
O my God, I cry in the daytime, but thou hearest not: and in the night season also I take no rest.
Acts 26:7
unto which promise our twelve tribes, instantly serving God day and night, hope to come. For which hope's sake, King Agrippa am I accused of the Jews.
1 Timothy 5:5
She that is a very widow, and friendless, putteth her trust in God, and continueth in supplication and prayer night and day:
Revelation 7:15
therefore are they in the presence of the seat of God and serve him day and night in his temple, and he that sitteth in the seat will dwell among them.

General references

Numbers 30:9
The vow of a widow and of her that is divorced, and all that they have bound their souls withal, shall stand in effect with them.