Man is the enemy of man because he is running after worldly pleasures. If a man loves things he becomes blind to his drawbacks. He cannot tolerate to see and hear anything against the object of his devotion. Man is the enemy of man because his mind is badly affected. Lust of worldly enjoyments kills his conscience.
History tells us that man is mean, cruel and greedy by nature and it leads the man to become the enemy of man. Mighty persons have misguided the whole generation of men. They have no faith in truth. They have led others to go astray. They have pushed them into the abyss of illiteracy and ignorance.
Mark Twain says; "There are times when one would like to hang. The whole human race and finish. The farce." If man is nothing else, he is at-least The king of Beast. Men seeks, honor, he tries to achieve fame, he is slave to the lust of power. Man is the enemy of man. He is not only cruel but also hypocrite. He deceives others with smiles, embraces friends with flattery. He always tries to protect himself from others but harms his fellowman ruthlessly. Man is the enemy of man because he is greedy and selfish. He is the creature who might possibly obtain. The necessities of life without robbing and billing his fellows, yet he is the most ruthlessly murderous of all. An honest person is ridiculed and looked down upon by the rich people. He is disgraced and treated with contempt.
Animals are satisfied with their lives but man has become victim of degradation and has been deprived of peace of mind. Man is the only animal who has invested war. Man enslaves others and is enslaved by others. Man's records of killing and cruelty shows that he has not improved himself. He is still a beast a cruel animal.
Man holds money and grains, he become smugglers. He practices nepotism. Therefore, man is the enemy of man. Evils and corruption have prevailed in each and every corner of the society.
The atomic energy is being used for destructive purposes and nuclear explosives are causing radiations which are fatal of man. All these statements force one to declare that "Man is the enemy of man."