Answer: This may be because the author wants to create emotion in the reader. The reader may have a deeper understanding as to what the author will state next after considering an experience they went through that caused them pain. This is using anecdotal evidence.
Explanation:
pot·pour·ri
/ˌpōpəˈrē/
noun
a mixture of dried petals and spices placed in a bowl or small sack to perfume clothing or a room.
a mixture of things, especially a musical or literary medley.
Therefore, the phrase "a beautiful potpourri..." or mixture "...of differences" means that whatever this line is referring to is a pleasant mixture of many different things.
Hope this helped.
