George Rawlinson,
The Seven Great Monarchies Of The Ancient Eastern World…
“ Cyrus, as we have seen, had extended the Persian sway over the mountains of Affghanistan and the highlands from which flow the tributaries of the Upper Indus. From these eminences the Persian garrisons looked down on a territory possessing every quality that could attract a powerful conqueror. Fertile, well-watered, rich in gold, peopled by an ingenious yet warlike race, which would add strength no less than wealth to its subjugators, the Punjab lay at the foot of the Sufeid Koh and Suliman ranges, inviting the attack of those who could swoop down when they pleased upon the low country. ”
