Matthew 14:23
When He had done this, He climbed the hill to pray in solitude. Night came on, and he was there alone.
Mark 14:35
Going forward a short distance He threw Himself upon His face and prayed repeatedly that, if it was possible, He might be spared that time of agony;
Luke 6:12
About that time He went out on one occasion into the hill country to pray; and He remained all night in prayer to God.
Acts 10:9
The next day, while they were still on their journey and were getting near the town, about noon Peter went up on the house-top to pray.
James 5:16-18
Therefore confess your sins to one another, and pray for one another, so that you may be cured. The heartfelt supplication of a righteous man exerts a mighty influence.