The experience of living in modern times is defined by the pace of change being faster than human beings can process in the moment. While we are looking in one place, the reality that we took for granted a little bit to the left or the right has become unrecognizable. In fact, too many things are changing at rates too various for us to take them in all at once, let alone to imagine how all these changes going on around us might all fit together. We search for familiar landmarks like statues, hills, or streams to guide us, and when we find that they are still the same we breathe a sigh of relief, even though everything around them has changed, and continues changing. One of the main differences between human beings and dogs and horses is that we live inside of notions of the past, the present, and the future. My dog knows the difference between day and night, but she has no idea whether I’ve been gone for an hour or a day or a week. What she knows is that she is excited to see me when …