Stephen Covey said this so well. We usually tend to dwell on the past too much and too long. This is something we can no longer change. But we can always live out whatever we imagine ourselves to be. Isn't that more inspiring?
The photo shows oil droplets interacting with water. If you stir the oil droplets, they will simply create a new design. So I enjoy taking photos of these because you will never know what design will come out.