Luke 2:37

being then a widow of about fourscore and four years old: she was assiduously in the temple, night and day religiously employ'd in fastings and prayers:

1 Timothy 5:5

as for the widow, who is really such, and without any assistance, let her place all her hopes in God, and be assiduous in supplication and prayer.

Acts 14:23

and after they had by prayers and fastings establish'd Pastors for them in every church, they recommended them to the Lord in whom they had believed.

Luke 5:33

and likewise those of the Pharisees, are frequently fasting and praying, while yours are employed in eating and drinking?

Acts 13:3

accordingly, after having fasted and prayed they gave them imposition of hands, and dismiss'd them.

Acts 26:7

which our twelve tribes by their continual services, night and day, hope themselves to obtain: yet for that hope, king Agrippa, do the Jews now accuse me.

Revelation 3:12

him that overcomes, will I make a pillar in the temple of my God, and he shall go out no more: I will write upon him the name of my God, and the name of the city of my God, which is new Jerusalem, which descends from heaven from my God: even my new name will I write.

Revelation 7:15

therefore are they before the throne of God, and serve him day and night in his temple: and he that sitteth on the throne shall cover them, as a pavillion.

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.

Bible References

But

Acts 26:7
which our twelve tribes by their continual services, night and day, hope themselves to obtain: yet for that hope, king Agrippa, do the Jews now accuse me.
1 Timothy 5:5
as for the widow, who is really such, and without any assistance, let her place all her hopes in God, and be assiduous in supplication and prayer.
Revelation 7:15
therefore are they before the throne of God, and serve him day and night in his temple: and he that sitteth on the throne shall cover them, as a pavillion.