PETER: (his pipes more riotous than ever) I just want always to be a little boy and to have fun.

J. M. Barrie (1860-1937) Scottish novelist and dramatist [James Matthew Barrie]

Peter Pan, Act 4 (1904, pub. 1928)
    (Source)

Peter's refusal to return to the real world with the other Lost Boys. In Barrie's novelization, Peter and Wendy, ch. 11 "Wendy's Story" (1911), the same language is used.