my assisgnment of the Schiller's philosophy of aesthetic edu

http://www.schillerinstitute.org/transl/Schiller_essays/philisophical_letters.html....
* this the essay dat have been translated by William F.wertz, Jr...but still i can't undrstand any of it....but myb i need its as my references 2 help me undrstand it more easliy...