After the battle at Issus, he sent to Damascus and seized the money and baggage of the Persians together with their wives and children. And most of all did the Thessalian horsemen enrich themselves, for they had shown themselves surpassingly brave in the battle, and Alexander sent them on this expedition purposely, wishing to have them enrich themselves. But the rest of the army also was filled with wealth.
Edition :
Plutarch. Plutarch's Lives. with an English Translation by. Bernadotte Perrin. Cambridge, MA. Harvard University Press. London. William Heinemann Ltd. 1919. 7.