Common sense (n.) reaches as far as the highest philosophy in what concerns all men; nature does not play favorites with her gifts.
Common sense (n.) met Buchenwald and Auschwitz with the plausible question: what crime must these people have committed, for such things to be done to them?
Common sense (n.) in the modern age means that we share not a world but the structure of our minds — which is why getting four from two plus two became its model.
Common sense (n.) is why we can trust our senses at all: only because men in the plural inhabit the earth is each of us not enclosed in his own unreliable sense data.
Common sense (n.) was once the sense that fitted us into a shared world; it became an inner faculty called 'common' only because everyone happens to have it — 'common sense in retreat'.
Common sense (n.) can be outrageously insulted by propaganda only where it has lost its validity — among the atomized, who lost the communal relationships in which it makes sense.
Common sense (n.) is the one sense that fits our five private senses into a shared reality; without it perceptions would feel like mere irritations of the nerves.