Optimists have seen opportunities in every crisis, and pessimistic people have seen danger in every opportunity.
Father wants to "transform" a pair of twins brothers, because one is too optimistic, and the other is too pessimistic. One day, he bought a lot of colorful new toys gave pessimism, and sent an optimist child into a room that was full of horse manure.
The next morning, my father saw pessimism and child, asked: "Why don't you play with those toys?"
"It will be bad." The child is still crying.
The father sighed, walked into the room, but found that the optimistic child is orthogonized to smile in the horse manure.
"Tell you, Dad." The child declared to his father, "I want to hide a little horse in the horse manure!" Tips: Optimists and pessimists, it is very interesting Optims see the donuts, and the pessimists see a cave.