Aesop's famous fable tells the story of a tortoise who, ridiculed by the hare for being slow, challenges it to a race. The hare soon leaves the tortoise behind and, confident of winning, takes a nap midway. Upon awakening, he finds that his competitor, crawling slowly but steadily, has arrived before him.
In the African Serengeti, a tiny mouse accidentally disturbs a lion from his rest. To the mouse's surprise and delight, the lion decides to let her go free. Later, when the lion is caught in a poacher's net, the mouse nibbles through the rope and, returning the favour, sets the lion free.
A frog claims to be a physician who can cure all diseases. A fox challenges this, noting that the frog has not cured his own blotchy skin and other conditions.