1 Timothy 2:8
I desire, then, that the men pray in every place, lifting up holy hands, without wrath and doubting.
Matthew 14:25
And in the fourth watch of the night, he went to them, walking on the lake.
Mark 1:35
And rising early, long before day, he went out, and withdrew into a desert place, and there prayed.
Mark 13:35
so also watch ye; for ye know not when the master of the house is coming, whether at evening, or at midnight, or at the cockcrowing, or in the morning;
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.