He knew that those things we most desire to hold in our hearts are often taken from us while that which we would put away seems often by that very wish to become endowed with unsuspected powers of endurance. He knew how frail is the memory of loved ones. How we close our eyes and speak to them. How we long to hear their voices once again, and how those voices and those memories grow faint and faint until what was flesh and blood is no more than echo and shadow. In the end perhaps not even that.