Complex sentence: Hakim Meysari (born 935) wrote an important Persian treaty on medicine in verse, in the beginning of which he writes: Maysarī, Ḥakīm, b.935.
Split into simpler sentences: Hakim Meysari (born 935 A.D.) has written an important Persian treaty on medicine in verse. In the beginning of the book he writes: Maysarī, Ḥakīm, b.935.