Luke 6:12
And it came to pass in those days, that He went out into the mountain to pray; and He was spending the whole night in prayer to God.
Mark 1:35
And, having risen very early, by night, He went out into a desert place, and was there praying.
Matthew 6:6
But when you pray, enter into your closet; and, having closed your door, pray to your Father Who is in secret; and your Father Who seeth in secret will recompense you.
Matthew 14:23-25
And, having dismissed the multitudes, He went up into the mountain, apart, to pray; and, evening coming on, He was there alone.
Mark 6:46
And, having taken leave of them, He went away into the mountain to pray.
Mark 14:34-36
And He saith to them, "My soul is exceedingly sorrowful, unto death! Abide here, and watch."
Colossians 4:2
Persevere in prayer, watching therein with thanksgiving;
Hebrews 5:7
Who, in the days of His flesh, having offered up prayers and supplications with strong crying and tears to Him Who was able to save Him from death, and having been heard by reason of His godly fear,