What a Privilege!

As I was walking to class the other day, a thought crossed my mind. I walk a considerable distance every day to class, carrying a backpack laden down with my laptop, charger, notebooks, homework papers and other odds and ends. By the time I reach my destination, even on cooler days I am warm and sometimes a little tired! But how much easier would my walk be if I need not take that extra weight on my back? It would probably not feel like much exercise at all, but the extra pounds on my back make...