Neither is it its prerogative to dwell on secondary sources.
Hence he combined his military knowhow, his excellent scholarly erudition and style, with a perfect geographical knowledge of the region.
That gives him the superiority over any other author on the subject.
At times this can stretch one’s patience, but this is a remarkable proof of the high degree of both honesty and meticulousness of the author.
One can, of course, dwell on other early sources of the history of Syria but this is not the prerogative of this article.
Readers are hence directed to these sources, and only one modern Muslim source is worth looking into: Akram’s book on Khalid ibn Waleed, a truly excellent work despite its lacuna (but all books bear weaknesses and defects except the Qur’an of course).
Akram’s work highlights the immense role played by this great Muslim general (Khalid) in the Muslim conquests as no other work has been able to.
His instructions to the chiefs of the Syrian army went: Remember that you are always in the presence of God, on the verge of death, in the assurance of judgment, and the hope of paradise.
Avoid injustice and oppression; consult with your brethren, and study to preserve the love and confidence of your troops.
Although the work contains interesting stuff, it also shows very clearly that many insertions had been made into it by second and third hands.