2. The child is father to the man.
The most important is Pun.
The Pun, or Paronomasia (Gk. para, beside, onoma, a name orword) is the play upon words carried to an excess. In the true pun there is no connection of meaning between the two uses of the word. It teaches nothing, and illustrates nothing, and is a mere exercise of ingenuity used chiefly by comic writers. Pun: A play on words that uses the similarity in sound between two words with distinctly different meanings. For example, the title of Oscar Wilde’s play The Importance of Being Earnest is a pun on the word earnest, which means serious or sober, and the name “Ernest.”