Pinker on Profanity
…”Today, the emotional power of religious swearing may have dimmed, but the psychology behind it is still with us. Even a parent without an inkling of superstition would not say “I swear on the life of my child” lightly. The mere thought of murdering one’s child for ulterior gain is not just unpleasant; it should be unthinkable if one is a true parent, and every neuron of one’s brain should be programmed against it.”…
