Science tells us how to heal and how to kill; it reduces our death rate in retail and then kills us wholesale in war; but only wisdom - desire coordinated in the light of all experience - can tell us when to heal and when to kill.
Will DurantThe crossroads of trade are the meeting place of ideas, the attrition ground of rival customs and beliefs; diversities beget conflict, comparison, thought; superstitions cancel one another, and reason begins.
Will DurantWherever men do things, other men will arise who will explain to them how things should be done.
Will DurantThe concentration of wealth is a natural result of this concentration of ability, and regularly recurs in history. The rate of concentration varies (other factors being equal) with the economic freedom permitted by morals and laws.
Will DurantThe failure of the Reformation to capture France had left for Frenchmen no half-way house between infallibility and infidelity; and while the intellect of Germany and England moved leisurely in the lines of religious evolution, the mind of France leaped from the hot faith which had massacred the Huguenots to the cold hostility with which La Mettrie, Helvetius, Holbach, and Diderot turned upon the religion of the fathers.
Will Durant