Near China's northern borders lived a man called Sai Weng. He raised a lot of horses.
One day, he lost one of his horses. Everyone commiserated with him.
"Perhaps this will soon turn out to be a blessing," said Sai Weng.
After a few months, his horse came back, leading a fine horse from the north.
Everyone congratulated him.
"Perhaps this may turn out to be a cause of misfortune," said Sai Weng.
Since he was well-off and kept good horses, his son became fond of riding and eventually broke his leg for falling from a horse.
Everyone commiserated with him. "Perhaps this will soon turn out to be a blessing," said his father.
One year later, the northern tribes started a big invasion of the border regions.
This man's son did not join in the fighting because he was crippled and so he survived.
Once upon a time, there was a farmer.One day, while he was working in the fields, he saw a hare run into a tree stump accidentally and die of a broken neck.
The farmer took the hare home and cooked a delicious meal for himself.
That night he thought: "I needn't work so hard. All I have to do is wait every day by the stump to pick up the hare that runs into it."
So from then on he gave up farming, and stood by the tree stump waiting for the hare to come and run into it.
But from then on, he never saw another hare run into the tree stump.