How does a sentence feel, how does it express itself.
Well there’s been a study about this: it’s called Kinetic Typography:
More about Kinetic Typography and the program used for this animation. There are some other examples on this page.
The rich expressiveness of animated type has been explored for decades in film and design, however little has been done to understand it effects and ability to enhance day to day communication. The Kinetic Typography engine is a Java software library created for rendering written content as animated text. Project by Johnny Chung Lee.