Like other animals man needs food for his survival and subsistence. The need all men biologically or physiologically. are like those of other animals. Man may got his food or he may earn it. Sometimes he has to resort to grabbing it, procuring it or stealing it or stealing it. He has to run around till he satiates this basic necessity. However, while the other animals after getting food rest contented man looks around to fulfill his mental, intellectual and spiritual needs.

     All the works of art, literature, science, philosophy speak amply of man;s insatiable hunger for making progress and taking strides ahead in the direction of progress, prosperity and development. Had man confined his goal in life to only fulfilling his physical appetite, no been complete stagnation. There is no doubt that life poses innumerable problems to man but it also offers happily and has crossed what once seemed to be unsurmountable impediments.