Speculation on his reasons for avoiding religious matters have remained uncertain. Most scholars think it is unlikely that he went unnoticed, given his philosophical talents. As well, it is unlikely that he could not afford to study theology, given that he received several bursaries and stipends. Indeed, he is listed in a document from 1350 as being among the teachers capable of supporting themselves without the need for financial assistance from the University. Zupko has speculated that Buridan "deliberately chose to remain among the 'artists [ artistae ]'," possibly envisioning philosophy as a secular enterprise based on what is evident to both the senses and the intellect, rather than the non-evident truths of theology revealed through scripture and doctrine.