Disbeliever -

In Islam, the term refers to a "disbeliever" or "truth-denier". Several Quranic chapters and verses are specifically directed at or describe those who lack faith:

: Many modern "texts for disbelievers" focus on the value of doubt and the requirement of proof before acceptance of spiritual claims. disbeliever

: Scientist Alfred Russel Wallace famously wrote in 1861 that he remained an "utter disbeliever" in sacred truths, arguing that he could have no fear of suffering for "the study of nature and the search for truth" over intelligent conviction. In Islam, the term refers to a "disbeliever"

: A well-known Hadith states, "The world is a prison for the believer and Paradise for the disbeliever". : A well-known Hadith states, "The world is

: The Quran describes the hearts of disbelievers as having a "seal" or "covering" that prevents them from understanding the truth.

Secular texts often approach "disbelief" as a commitment to evidence-based reasoning rather than blind faith.