st persistent causes it of deterioration, property and access of wealth, will lengthen for human beings the average life span and I share more good health and a stronger constitution. Clearly improvements in medical practices resulting from the progress of reason and the order of call society will cause transmittable and contagious diseases to disappear as well list diseases caused by climate,nourishment and certain vocations." The men that we have discussed felt that it was important to open our eyes and discover the world around us and try and answer the many questions that human beings ask about our universe, through observation, experimentation and deductive reasoning. That all mankind had the ability to reason and make a better life for themselves here on earth through progress, and scientific inventions. The Scientific revolution and the Age of Enlightenment was just the beginning of a journey that mankind would take toward a world of better medicine, more and healthier food, shorter work hours and longer lives. And maybe, if we use a little more reason and common sense we can achieve the goal of The Marquis de Condorcet and live in that peaceful and perfect world....