Morgan freeman says the "declaration was meant to be spoken rather than simply read" to portrays that when the declaration was published the right thing to do was to follow, support and believe it so to say "spoken" from the heart but rather what happened was the declaration was simply "read" which suggests that it was not treated with value rather read like some common story.
Technically, there r or can be many reasons that people analyze different literary works. It depends on the person, but some people read things for more literal purposes while some read for fun.
