The first bit ("The past is a foreign country; they do things differently there") is from L P Hartley's novel "The Go-between". The "ugly tourist" bit is a late

The first bit ("The past is a foreign country; they do things differently there") is from L P Hartley's novel "The Go-between". The "ugly tourist" bit is a later addition. (Very likely you already knew this and were asking about the "ugly tourist" part.)