Complex sentence: On the surface the document may appear to be tolerant towards slavery, however Said begins it with Surat Al-Mulk, a chapter from the Qur'an, which states that only God has sovereignty over human beings.
Split into simpler sentences: On the surface the document may appear to be tolerant towards slavery. But in fact, ibn Said begins it with Surat Al-Mulk, a chapter from the Qur'an, which states that only God has sovereignty over human beings.