How Can We Apply the Bible to Our Lives if We’re Not Supposed to Read Our Circumstances into It?

Questions about how to apply the Bible to our lives if we’re supposed to read it in context and not insert our circumstances into it and how to respond to someone who says the Great Commission was given to the apostles and not to the church writ large (similar to how Jeremiah 29:11 was given to the exiles).

• If we’re supposed to read the Bible in context and not insert our lives or circumstances into it, how do we then apply the ancient Word to our current lives?
• How would you respond to someone who said that the Great Commission was given to the apostles and not to the church writ large (similar to how Jeremiah 29:11 was given to the exiles)?