Shirk and Kufr are the worst sins. Meaning, to believe in or whorship gods other than Allah ...
In Islam, one who commits kufr, which means disbelief, is known as a kafir, or a disbeliever. Although the strict definition is argued among Islamic scholars, most Muslims agree that all non-Muslims are kafirs, or kuffar. The Ahl al-Kitab, a term which means "People of the Book," ref...
Muslims believe that each ayah is a sign from Allah. Ayah, in the Arabic language and among Arab speakers of all faiths, has several common meanings: sign, miracle, evidence and verse. These various definitions of ayah are also relevant in the religion of Islam. The Qur'an is divided into...