While the September 11, 2001, suicide hijackers undoubtedly believed what they professed (as evidenced by their willingness to die for it), they could not and did not know if it was true.
Habang ang mga hijackers ng eroplano noong Setyembre 11, 2001 ay kumbinsido sa kanilang pinaniniwalaan (na pinatutunayan ng kanilang kahandaang magbuwis ng buhay), hindi nila maaaring malaman o maaaring hindi nila alam kung totoo nga ang kanilang pinaniniwalaan.