An old man was walking along a beach after a storm and saw thousands of starfish washed up on the shore. In the distance, he saw a young boy picking them up one by one and throwing them back into the ocean.
The man approached the boy and said, "There are thousands of starfish here; you can't possibly make a difference." hvhing.pdr
The boy looked at the starfish in his hand, threw it safely into the waves, and replied: An old man was walking along a beach