One in quality, and different in quantity. this simple thing is understandable by any common man, but these impersonalists, they will simply invent jugglery of words to mislead innocent people. Therefore Lord Caitanya has warned not to associate with these impersonalist mayavadis because they will spoil one's life by diverting one from devotional service.
>>> Ref. VedaBase => Letter to: Rupanuga — Hawaii 14 March, 1969