Catching things of desire is the first interest of a child in the life of the world;
That interest begins the child make a move by moving body and legs at first;
After catching the thing, child takes it to mouth to taste believing a thing to eat;
Later the child tries to take the articles on the chair or table by trying to stand!
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As long as desire and interest are there, one lives life as long as possible in world; Afterwards, real desire and interest in permanent one makes one a mystic real!