I have devoted a few pages to the story of these marvelous campaigns, for the military talent they fostered led to the establishment of the mathematical and practical schools of Alexandria, the true origin of science.

We trace back all our exact knowledge to the Macedonian campaigns.

Humboldt has well observed that an introduction to new and grand objects of Nature enlarges the human mind.

The soldiers of Alexander and the hosts of his camp-followers encountered at every march unexpected and picturesque scenery.

Of all men, the Greeks were the most observant, the most readily and profoundly impressed.