Kitab al-Fitan · Nu'aym ibn Hammad

If the black flags come from the East, and the yellow flags come from the West, until they meet in the navel of Syria, meaning Damascus, there will be calamity, there will be calamity.

If you see a banquet in the Levant, or a table, a man and his family, then Constantinople will be conquered

Get out of Yemen before the rope is cut off, meaning the road, and before you have no food except locusts, and before fire gathers you to the Levant.