Nyorai mberi kweiyi ndima - Rivera akaitawo zvirevo zvinoverengeka pamusoro peIslam, izvo zvaasina kupa uchapupu. Ikoku kunobatanidza kutaura kwokuti Muhammad akashandiswa neChechi yeKaturike kuumba chiIslam ndokuparadza vaJudha namamwe mapoka avaKristu, uye kuti mudzimai wokutanga waMuhammad Khadijah bint Khuwaylid, chaizvoizvo akanga ari munun weKaturike mumusha wemamongi weArabia, uyo akaudzwa nabhishopi kuroora Muhammad ndokusika chiIslam. Rivera akataurawo kuti Vatican yakaronga chiono paFátima
(akatumidzwa zita raFatima, mwanasikana waMuhammad) kuti awane nyasha nevaMuslim. Iye anopfuurira kutaura kuti iyo yakarongawo kuedza kuuraya kwa 1981 kwaPope John Paul II kupfurikidza nokushandisa muMuslim somupfuri "kuita kuti nyika yechiMuslim inzwe ine mhaka, kuvaswededza pedyo zvikuru nokutenda kwechiKaturike!"