The resources of heaven are ready and waiting for the people of God who desire to make much of him in this world
Ultimately, tragedy on earth can only be understood rightly from the perspective of heaven.
Why make disciples? Because heaven and hell exist, and the end of the world is coming.
We assume that our race simply deserves heaven; that God owes heaven to us unless we do something really bad to warrant otherwise.
Every saved person this side of heaven owes the gospel to every lost person this side of hell.