"Punning is an art of harmonious jingling upon words, which, passing in at the ears, excites a titillary motion in those parts; and this, being conveyed by the animal spirits into the muscles of the face, raises the cockles of the heart."

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Most, probably, of our decisions to do something positive, the full consequences of which will be drawn out over many days to come, can only be taken as the result of animal spirits-a spontaneous urge to action rather than inaction, and not as the outcome of a weighted average of quantitative benefits multiplied by quantitative probabilities.

— John Maynard Keynes