I hate to take movies too seriously,but in the final scene of Pulp Fiction there is a brilliant portrayal by Samuel Jackson of his character's metamorphosis into the Philosopher he will become, while equally brilliant John Travolta as his opposite does not understand the search for meaning and believes Jules will become a bum.

Has anyone else noticed this?

Funny enough that you mention Samuel Jackson and this particular type of metamorphosis. Though I have seen the same scene that you mentioned, I have noticed how Samuel Jackson always gets into these "I desire" roles with semi-central plot devices. For example, in Pulp Fiction, you have the brief case. And it's always "oooh ahhh" when the brief case opens and this conveyance of desire. Another example is The Re Violin