<p>6:12 <i>And it came to pass in these days that he went out into the mountain to pray; and he continued all night in prayer to God</i>- Luke alone records the all night prayer. How long have you ever prayed for at one time? Luke as a doctor was struck by the psychological intensity of the Lord in maintaining such lengthy contact with God Almighty. He presumably was praying for wisdom and blessing in this matter of ordaining the twelve, probably with special attention to the issue of calling Judas.</p>