Evaluate the ending of Harry Potter and The Sorceror's Stone. A quote would help as well

J.K.
Rowling's first novel Harry Potter and the Sorceror's Stone ends extremely
well, fulfilling the promise and anticipation created through the suspense of the plot.  One
rewarding aspect of the novel'swas that the reader finally witnessed a confrontation between
Voldemort and Harry, via Quirrell, and despite the fact that Harry did not defeat Voldemort, the
reader still felt rewarded that Harry...