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<blockquote>Thus, according to our assumption, the [[conditions ]] for laughter are such that a sum of [[psychic ]] [[energy ]] hitherto employed in the [[cathexis ]] of some paths may [[experience ]] free [[discharge]]. And since not all laughter (but surely the laughter of wit), is a [[sign ]] of [[pleasure]], we shall be inclined to refer this pleasure to the release of previously existing cathetic energy.<ref>{{WRU}} Ch. V</ref></blockquote>