Answer: The Value of Scripture. The value of Scripture in the life of the believer lies in its source and its function. In his exhortation to Timothy, Paul commended Scripture to Timothy by saying, “All Scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness” (2 Tim. 3:16).
The subordinate clause is "When the delivery man arrives" because 1. it is introduced by "when" and 2. we can ask question to the main clause about this one.
