Answer: These earnings are forbidden, for he obtained them through an unlawful stratagem. He must therefore repent to Allah and give up what he has taken.

Books on the Creed of Tawḥīd

Question: Through my regular listening to the radio program “Nūr ʿalā ad-Darb,” it has become clear to me that we were practicing many things that are wholly wrong—matters we merely inherited by blindly imitating those before us. Some foreign elements have been attached to the religion, innovations and superstitions that no sound mind can accept. Praise be to Allah, this program has been an excellent guide in clarifying the correct path, namely the sound science of tawḥīd with which every believer should arm himself, and by which he can destroy the barriers of superstition and innovation. I therefore ask—thanking you in advance—that you direct me to the best books on tawḥīd and to any works that combat innovations and superstitions, so that I can acquire them, no matter the cost, and—by Allah’s permission—refute those innovations with conclusive proof from the Qur’an or the Prophetic Sunnah. May Allah reward you abundantly.

Answer: All praise is due to Allah, Who has favored you with knowledge of the truth and what is correct. We ask Him to increase you in knowledge and understanding of His religion and to keep both us and you firm upon the truth.

With regard to the books that teach the creed of tawḥīd, they are—by Allah’s grace—many and easily obtainable. Among them are: