One reason why the progressive state is 'cheerful' is that social conflict is diminished by it.

Economic progress means the discovery and application of better ways of doing things to satisfy our wants. The piping of water to a household that previously dragged it from a well, the growing of two blades of grass where one grew before, the development of a power loom that enables one man to weave ten times as much as he could before, the use of steam power and electric power instead of horse or human power - all these things clearly represent economic progress.

Reality, in its quantitative aspect, must be considered as a system of populations... The general study of the equilibria and dynamics of populations seems to have no name; but as it has probably reached its highest development in the biological study known as 'ecology,' this name may well be given to it.

Economics, we learn in the history of thought, only became a science by escaping from the casuistry and moralizing of medieval thought.

Humble, honest, ignorance is one of the finest flowers of the human spirit

Economists and technologists bring the "bits", but it requires the social scientists and humanists to bring the "wits.

The proposition that the meek (that is the adaptable and serviceable), inherit the earth is not merely a wishful sentiment of religion, but an iron law of evolution.