Let those who cry up anthropology examine into his treatment of legend and custom and his power, untrained in Seminar or institute, to use it as sociological evidence.

Let the geographers, too forgetful sometimes that man is not the creature of environment alone, refresh their minds by recalling those brilliant sallies in geographical thinking in which he explains some of the features of early Greek settlement and city-building.

It is not only orthodox history, of the school of Ranke, of which Thucydides is the father and inspirer: there is not one of the many movements which have sought to broaden out historical study in recent years, from Buckle and Leplay and Vidal de la Blache down to the psycho-analysts of our own day and of to-morrow who will not find in Thucydides some gleaming anticipation along the path of their own thought.

Here we touch upon what is perhaps the cardinal merit of the Greek political thinkers, as it is of the Greek contribution as a whole. They saw all the problems: but saw each in its place within the larger whole. They saw life steadily and saw it whole.

From A. Zimmern, Ancient Greek Political Thinking