FAQ #72: Can a speaker/lecturer promote or sell his book or when giving a lecture or a religious class at a mosque?

Islamic Commercial Matters FAQ #

Preserving the sacredness of a mosque is an important adab which we all Muslims ought to observe.

Part of maintaining the dignity of this sacred place is ensuring that we discrete it by indulging in worldly activities.

Therefore, it is preferable that all modes of buying and selling activities are not carried out in the mosque. This includes the example given in the question as well as digital purchases via our smart phones while we are in the mosque.

A hadith by Nasa’i narrates: “The Prophet ï·º prohibits (Muslims) from sitting in halaqah on Fridays before their prayers and refrain from buying and selling in the mosque.”

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