Authors:

A knowledge of the forces that rule society, of the causes that have produced its upheavals, and of society's resources for promoting healthy progress has become of vital concern to our civilization.

Wilhelm Dilthey, Rudolf A. Makkreel, Frithjof Rodi (1991). “Introduction to the Human Sciences”, p.56, Princeton University Press
A knowledge of the forces that rule society, of the causes that have produced its upheavals, and of society's resources for promoting healthy progress has become of vital concern to our civilization.