Complex sentence: Adherents to the "Shi'a" sect of Islam normally pay one fifth of their income (including realized and recognised gains on stocks and real estates) to clerics, this is imposed by Allah (God) through his messenger, Prophet Muhammed Ibn Abdulla.
Split into simpler sentences: Adherents to the "Shi'a" sect of Islam normally pay one fifth of their income (including realized and recognised gains on stocks and real estates) to clerics. This is imposed by Allah (God) through his messenger, Prophet Muhammed Ibn Abdulla.