We don't need our homes guarded as much as our minds and our hearts. It's my heart that gets me into my day! It's my mind that gets me into my study! It's my passion that comes from that! And His peace surrounds that and frees me from the agitation and the horror of worry.
Now, three simple exercises will help make all of this happen. And they're described for us in Philippians 4: 8, 9.