Is there hope for unity among Christians who hold disparate viewpoints, represent myriad cultures, experience God’s Spirit distinctively, and even interpret the Bible differently?

Is there hope for unity among Christians who hold disparate viewpoints, represent myriad cultures, experience God’s Spirit distinctively, and even interpret the Bible differently?
Finding our “common home” in God’s creation.
To what extent is it helpful for twenty-first century Reformed Christians to endorse a theology of election? Is predestination simply a “horrible decree”? Or is it potentially a doctrine of hope?