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158
LAUGHTER
CHAP.

from us, often in our own interests, by the necessities of life. What is this reality? What are these necessities? Poetry always expresses inward states. But amongst these states some arise mainly from contact with our fellow-men. They are the most intense as well as the most violent. As contrary electricities attract each other and accumulate between the two plates of the condenser from which the spark will presently flash, so, by simply bringing people together, strong attractions and repulsions take place, followed by an utter loss of balance, in a word, by that electrification of the soul known as passion. Were man to give way to the impulse of his natural feelings, were there neither social nor moral law, these outbursts of violent feeling would be the ordinary rule in life. But utility demands that these outbursts should be foreseen and averted. Man must live in society, and consequently submit to rules. And what interest advises, reason commands: duty calls, and we have to obey the summons. Under this dual influence has perforce been formed an outward layer of feelings and ideas which make for permanence, aim at becoming common to all men,