Image via WikipediaDifferent Colors Sandal
A father went with her son for a walk of fresh air. Yet how far to walk, his father realized that he was wearing sandals, different colors, the red right and the left one is blue.
Because lazy to go back, he sent his son to go get the right shoes, and while he waited under a shady tree. After how long, the boy returned with empty hands ....
"Why do not you bring slippers ....?!!" said the father angrily.
"It's useless, sir ... because the sandals at home are also different colors."