As a gift of his love for his eight-year old son, a father gives him a baseball and a bat. The father tells the boy to be carefull as to not break any windows, nor harm anyone with the toys.
So the boy takes his gift and goes outside to play with the new toy. He grabs the bat with his hand, rests it upon his shoulder and tosses the ball into the air with his other hand. As the ball descends he swings the bat at the ball. To his complete enjoyment, the boy hits the ball squarely and it goes sailing into the air. As the baseball flies across the yard, it enters the neighbors yard and smashes into their living room window.
That's when the neighbor comes outside to confront the boy about his window. The neighbor realizes that an eight-year old boy cannot fix, nor pay for the broken window. Yet he demands justice. So he confronts the boys father, who gave him the destructive instruments that shattered his living room window.