natu sarvajñadarśanaṃ kasyacid arvāgdarśanasya sambhāvyate, nacāsambhāvyamāne vastuni prekṣāvataḥ saṃśayo yukta ityata āha kecid ityādi
"But perception of the omniscient one is not possible for anyone of limited vision, and doubt is not justified for a discerning person regarding an impossible object" - therefore [the author] says "some [persons]" etc.