P. V. N. Myers, A General History for Colleges and High Schools…
“ And now the Great King, Lord of Western Asia and of Egypt, conceived and entered upon the execution of vast designs of conquest, the far-reaching effects of which were destined to live long after he had passed away. Inhospitable steppes on the north, and burning deserts on the south, whose shifting sands within a period yet fresh in memory had been the grave of a Persian army, seemed to be the barriers which Nature herself had set for the limits of empire in these directions. ”
