Man is the only fully living animal.

Man is the only fully living animal. Other animals have no feelings, and are not conscious of pleasure and pain. They are just semi-living machines. Therefore the true definition of man is that he is the living being. [^2] Other thinkers do not believe that, and maintain that there are basic differences between other living beings and man. It appears that each group of these scholars has concentrated on one human characteristic and distinction.

That is why man has been defined in so many different ways. He has been described as a rational animal, an absolute-seeking being, an unending being, an idealist, a seeker of…