During Scottish missionary Alexander Duff’s first voyage to India in 1830, he was shipwrecked in a storm off the coast of South Africa. He and his fellow passengers made it to a small, desolate island; and a short time later, one of the crew found a copy of a Bible belonging to Duff washed ashore on the beach. When the book dried, Duff read Psalm 107 to his fellow survivors, and they took courage. Finally, after a rescue and yet another shipwreck, Duff arrived in India.

Psalm 107 lists some of the ways God delivered the Israelites. Duff and his shipmates…