Do you struggle with morbid introspection...
...with anxiety, dread, depression, despair, panic attacks?
And likely, by extension, assurance?
Well, the Reformation concept of 'extra nos' might help you.
It helps answer questions like, "where does a sinner's salvation lie?"
And Justin believes it's also invaluable for strengthening assurance.
God's Way of Peace: https://www.monergism.com/gods-way-peace-ebook
