Mr. T once had to battle his own pity when it became too powerful. It was this event that gave the universe it's first glimpse of what happens when an unstoppable force meets an immovable object. Fortunatly, the situation was resolved when Mr. T pitied his pity for being a fool and the forces became unbalanced. To this day, scientists believe that this event also created Vin Diesel, although they know niether how, nor why.