From Cheaper by the Dozen, by Frank B. Gilbreth, Jr. and Ernestine Gilbreth Carey
WHAT'S IT FOR?
"Someone once asked Dad: 'But what do you want to save time for? What are you going to do with it?'
'For work, if you love that best,' said Dad. 'For education, for beauty, for art, for pleasure.' He looked over the top of his pince-nez. 'For mumblety-peg, if that's where your heart lies.'"
From Chapter 19, The Party Who Called You...