By referring to the map, the reader will see that, as the Persian empire extended westward to Asia Minor and to the coasts of the Mediterranean Sea, the great countries which bordered upon it in this direction were, on the north Greece, and on the south, Egypt; the one in Europe, and the other in Africa. The Greeks and the Egyptians were both wealthy and powerful, and the countries which they respectively inhabited were fertile and beautiful beyond expression, and yet in all their essential features and characteristics they were extremely dissimilar. Egypt was a long and narrow inland valley. Greece reposed, as it were, in the bosom of the sea, consisting, as it did, of an endless number of islands, promontories, peninsulas, and winding coasts, laved on every side by the blue waters of the Mediterranean. Egypt was a plain, diversified only by the varieties of vegetation, and by the towns and villages, and the enormous monumental structures which had been erected by man. Greece was a picturesque and ever-changing scene of mountains and valleys; of precipitous cliffs, winding beaches, rocky capes, and lofty headlands. The character and genius of the inhabitants of these two countries took their cast, in each case, from the physical conformations of the soil. The Egyptians were a quiet, gentle, and harmless race of tillers of the ground. They spent their lives in pumping water from the river, in the patient, persevering toil of sowing smooth and mellow fields, or in reaping the waving grain. The Greeks drove flocks and herds up and down the declivities of the mountains, or hunted wild beasts in forests and fastnesses. They constructed galleys for navigating the seas; they worked the mines and manufactured metals. They built bridges, citadels, temples, and towns, and sculptured statuary from marble blocks which they chiseled from the strata of the mountains. It is surprising what a difference is made in the genius and character of man by elevations, here and there, of a few thousand feet in the country where his genius and character are formed.