One day, a boy had a fight with one of his classmates. He was1 all day long. After school, he went to his grandfather and told him his story2 . "He is a really bad guy. I don't3 him. "the boy said. "And I hate him!"
The grandfather said with a smile, "Let me tell you a story, dear. When I was a boy at your4 , I too, sometimes hated others for what they did. "
The boy listened carefully as the grandfather went on, "There are always two tigers in my5 . One is good and kind. He is kind to6 around him. But the other is bad and unfriendly. Even the7 thing will make him angry. He8 with everybody all the time, and for no reason. He can't think carefully9 he always hates others. It is10 for me to live with these two tigers in my heart.11 of them try to control（控制） me. "
The boy looked into his grandfather's12 and asked, "Which tiger controls you, grandfather?" The old man said13 and seriously, "The one that I always look14 is the good and kind tiger, so I15 hate others and seldom get angry now. "
