Luke 18:7
And shall not God execute vengeance for his own elect, who cry out to him day and night, though he bear long with them?
Matthew 26:44
And leaving them, he went away again, and prayed the third time, repeating the same sentence.
Luke 6:12
Now it came to pass in those days, that he went out into a mountain to pray and continued all night in an oratory of God.
Luke 22:41-46
And he withdrew from them about a stone's cast, and kneeling down, he prayed,
1 Thessalonians 3:10
night and day most fervently praying that we may see your face, and amply supply the deficiencies of your faith?
2 Timothy 1:3
I thank God, whom I serve from my forefathers with a pure conscience, that I keep up a constant remembrance of thee in my prayers night and day;