Thomas remarks that Celsus "is no genius as a philosopher". Nonetheless, most scholars, including Thomas, agree that Origen's quotations from The True Word reveal that the work was well-researched. Celsus demonstrates extensive knowledge of both the Old and New Testaments and of both Jewish and Christian history.
Thomas disputes Celsus' status as a philosophical luminary; nonetheless, he concurs with the majority of scholars that Origen's citations from The True Word demonstrate thorough preparation. Celsus exhibits extensive familiarity with both Jewish and Christian histories and scriptures.