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The Adi Purana states: "These gentle deer, formerly, were very fond of sweet grasses and herbs. They were nourished by the juices of medicinal plants and the sweet waters of lakes. They were accustomed to being held in our laps and fed by our hands. We had great faith in them, and they lived with us without causing any trouble. But now, without any reason, they attack us with their horns, they want to tear us apart with their teeth and claws, and they appear very frightening. O great one, tell us what remedy we can use to protect ourselves. You are the protector of the world, and you always think about the welfare of all beings."
Hearing these words, Manu, filled with compassion, said, "What you say is true. These animals were indeed peaceful in the past, but now they have become terrifying. Therefore, you should avoid them. They have been corrupted by the influence of time, and you should not trust them anymore. If you ignore them, they will surely cause you harm."
Hearing these words, the people abandoned the company of the horned and toothed wicked animals, and they only lived with the harmless cows, buffaloes, and other animals.
As time passed, Manu's lifespan came to an end. After countless millions of years, another Manu, named Kshemandhara, appeared. He was the fourth Manu, a great being with a tall body, who controlled his vices and was a leader among the virtuous. His lifespan was measured in tutikas, and his height was seven hundred and seventy-five dhanus. During his time, when lions, tigers, and other wicked animals became extremely powerful and angry, he advised people to protect themselves using wooden clubs and other means. Because he taught people how to protect themselves from wicked creatures, he was known as Kshemandhara, the protector of the people.