David Samuel Margoliouth,
1911 Encyclopædia Britannica, Volume 17…
(1911)
“ The rule which forbade bloodshed in the sacred city had at last to be suspended; but elaborate precautions were to be taken whereby every tribe (except Mahomet’s own clan) should have their share in the guilt, which would thus be spread over the whole community fairly. When the committee appointed to perpetrate the crime reached Mahomet’s house, they found that it was too late; Mahomet had already departed, leaving Ali in his bed. The actual Flight from Mecca to Yathrib has naturally been a favourite subject for romance, and indeed appears to have been executed with the greatest cunning. ”
