"For work, if you love that best... For education, for beauty, for art, for pleasure... For mumblety-peg, if that's where your heart lies.
"
--John Bunker Gilbreth 1868-1924, Cheaper By The Dozen (1948)
In reply to the question “But what do you want to save time for? What are you going to do with it?”
"We do not yet have (nuclear) fusion reactors. One day, quite soon, we may.
"