I would like to share it with you:
From our first breath until our last, we have few truly essential needs. Without oxygen, we would perish in minutes. We must have food and water. Our bodies, when exhausted, require rest. And in harsh weather, we must seek shelter. So, while we are needy creatures, our basic needs are few.
When it comes to our wants, however, there seems to be no limit. Indeed, the entire advertising industry is devoted to expanding our “needs.”
... read more http://www.rbc.org/odb/odb.shtml
