May it be Hashem's will that there should no longer be questions because immediately we will see the revelation of Moshiach with our physical eyes - we will see the Rebbe Melech HaMoshiach leading us out of golus. And then not only Lubavitcher Chassidim and not only those people who respect the Rebbe and the Rebbe's words, but the whole entire world will shout out together:
Yechi Adoneinu Moreinu V'Rabbeinu Melech HaMoshiach L'Olam Va'ed!