I have learned to understand time and thought as a spiral: neither a straight line that must go always forward, even into a precipice, nor a circle that must remain forever stuck in repeating past experience. Instead, a spiral, which curves always backward in order to curve forward. What makes time and life into a spiral instead of a straight line or an endless circle is setting aside time for reflection, rest, renewal. That renewal time is the curve that moves the spiral onward. This lets us re-view where we have been, so that we can go forward.
Barnaby was what I call "heart smart." While other dogs accompanied me in our intellectual journeys and listened while ideas came in, Barnaby just walked and walked with me, looking at the river or the woods and feeling deep feelings. Rarely have I had a walking companion who could just be silent, not having to make a talking point or a barking commentary. With Barnaby, one barked in silence in which much of a more contemplative nature was communicated -- peace, simplicity, the glory of the natural world, the presence of God.