In any case, in so far as our knowledge of the universe carries us, the advent of civilization for the first time on our globe represents the highest ascent of the life processes to which evolution had anywhere attained.

Disapproval is a very important factor in all progress. There has really never been any progress without it.

There was an age, however, when the transition from savagery to civilization, with all its impressive outward manifestations in art and architecture, took place for the first time.

There is but little room for doubt that Egypt led the way in the creation of the earliest known group of civilizations which arose on both sides of the land bridge between Africa and Eurasia in the fourth millennium B.C.

We of America are especially fitted to visualize and to understand the marvellous transformation of a wilderness into a land of splendid cities.

To the present writer a careful study of the facts now available seems to leave no doubt that civilization was born at the southeast corner of the Mediterranean.

It is this conception of the unity of the human career which is perhaps the greatest achievement of historical study, since it gained a place analogous to that of natural science.