In the storybook version of "Horton Hears a Who," famous children's author Dr. Seuss tells the story of a community of microscopic people called "Who's" who live in "Who-ville". The world is a tiny, yet technologically advanced community of people living on a dust-speck. The jungle elephant Horton has excellent hearing that alerts him to the presence of the people, and he promises to protect them from danger.
None of the other jungle animals believe that Horton is protecting real people, however, because they can't see or hear them. Horton nevertheless risks his life to guard the dust speck, and repeats the phrase that has since become well known: "A person's a person no matter how small."
In the end, as the dust speck is about to be destroyed in the "beezlenut stew," all the Who's in Who-ville gather together and yell at the same time in order to make their voices heard. The effort fails until the very last young Who, called Jo-Jo, joins in. His little cry boosts the noise just enough for the larger animals to finally hear them and believe in their existence.
We are the only voice they have...