In 2005, William P. Young was working three jobs and living in a 900-square-foot apartment with his wife and four of his six children after losing his home to bankruptcy. He started writing a novel during his daily 40-minute train commute, hoping to express his feelings about God to his children, since he couldn't afford to buy holiday gifts. He expected his family and maybe a few friends to read it. The book sold over 20 million copies.
Sophia (Alice Braga) discusses wisdom with Mack (Sam Worthington). The word wisdom in Greek is sophia.
The large, roadside duck-sign marking the entrance to the Oregon state park is the actual entrance sign for Cultus Lake Provincial Park in British Columbia, Canada, with the state park name superimposed.