A blind man was waiting to cross the road when a dog stopped and cocked its leg against him.

A blind man was waiting to cross the road when a dog stopped and cocked its leg against him.
The blind man felt in his pocket for a sweet, bent down, and offered it to the dog.
A passerby remarked what a very kind act that was considering what the dog had done.
"Not at all," said the blind man.
"I only wanted to find out which end to kick."