Luke 6:12

And in those days he went out into a mountain to pray, and continued all night in the prayer of God.

Mark 1:35

And in the morning, rising a great while before day, he went out and departed into a desert place and prayed there.

Matthew 6:6

But thou, when thou prayest, enter into thy closet, and having shut thy door, pray to thy Father who is in secret, and thy Father, who seeth in secret, shall reward thee openly.

Matthew 14:23-25

And having sent the multitude away, he went up into a mountain apart to pray.

Mark 6:46

And having sent them away, he went to a mountain to pray.

Mark 14:34-36

My soul is exceeding sorrowful, even to death; tarry ye here and watch.

Colossians 4:2

Continue in prayer, and watch therein with thanksgiving:

Who in the days of his flesh, having offered up prayers and supplications, with strong crying and tears, unto him that was able to save him from death, and being heard from his fears; Tho' he was a son,