The ship’s captain could see the bright light of the Cleveland harbor lighthouse. However, the lower lights weren’t visible at all. The lower lights were the way that ships identified the centerline of the safe entry to a harbor.
Because the lower lights were not burning that night, the ship missed the entrance to the harbor and crashed into rocks. Many lives were lost.
At the end of his sermon, Moody said, “Brethren, the Master will take care of the great lighthouse; let us keep the lower lights burning.”