The living entity in material nature follows the ways of life, enjoying the three modes of nature. This is due to his association with that material nature. Thus he meets with good and evil amongst various species. (Bg. 13.22) After thus rotating through many, many forms of life in the cycle of birth and death, the living being gets a chance for a human form. Therefore every human being, especially one belonging to a civilized nation or culture, must be extremely responsible in his activities. He should not risk degradation in the next life. Because the body will change (tatha dehantara-praptir), we should be extremely careful. To see to the proper use of life is the purpose of Krsna consciousness. The foolish living entity declares freedom from all control, but factually he is not free; he is fully under the control of material nature. He must therefore be most careful and responsible in the activities of his life.