Luke 18:7
And will not God avenge his chosen, who cry to him day and night, though he be slow to punish in their behalf?
Matthew 26:44
And leaving them, he went away again, and prayed the third time, saying again the same words.
Luke 6:12
And it came to pass in those days, that he went out into the mountain to pray; and he continued all night in prayer to God.
Luke 22:41-46
And he withdrew from them about a stones throw; and kneeling down he prayed,
1 Thessalonians 3:10
night and day praying exceedingly that we may see your face, and may supply that which is lacking in your faith?
2 Timothy 1:3
I thank God, whom I serve from my forefathers with pure conscience, as without ceasing I have remembrance of thee in my prayers night and day,