When the Crane had taken out the bone, he demanded the promised payment. The Wolf, grinning and grinding his teeth, said, "Why, you have already received your reward -- you were allowed to draw out your head in safety from the mouth and jaws of a wolf."

In serving the wicked, expect no reward. Be thankful if you escape injury for your pains. 
 
The Traveler and His Dog 
 
A Man about to set out on a journey saw his Dog stand at the door stretching himself. He asked him sharply, "Why do you stand there? Everything is ready but you, and I will be late. Come with me this instant!" The Dog, wagging his tail, replied, "O, master! I am quite ready. In fact, it is you for whom I am waiting."

The late person often blames a delay on his more active friend. 
 
The Dog and the Shadow 
 
A Dog crossed a bridge over a stream with a piece of meat in his mouth. He saw his own shadow in the water and thought it was another dog.