It is amon saying that we do not fully value a thing until we lose it. We often value the love and worth or a friend when he has been taken from us by death, more than when he was with us in the flesh; it is only when we have left school or college that we understand the greatness of our opportunity of education, which has gone for ever; and it is the sick and the ailing1 who realize the value of good health. When we are young and strong, we cannot imagine what it is to be weak and ailing. We are so used to vigorous2 health that we take it for granted. The organs of our body work so smoothly that we scarcely know we have lungs and liver, heart and stomach. But when any of these