Horton the elephant is ready to do anything to save a small speck from the clutches of the other unfortunate animals who don't want to listen. Yes, because Horton hears voices coming from the speck! There are a thousand thousand: as many as all the Whos.
All it takes is a daring rhyming adventure, a huge heart, and even bigger ears to make us understand that everyone is important, whether small or immense. And then speaking out of turn, without trying to listen to reasons and learn about new realities, has never benefited anyone...