Report, if you have a problem with this page“ Oh, "Tanstaafl." Means "There ain't no such thing as a free lunch." And isn't,' I added, pointing to a FREE LUNCH sign across room, 'or these drinks would cost half as much. Was reminding her that anything free costs twice as much in long run or turns out worthless. ”
Robert A. Heinlein
From : The Moon is a Harsh Mistress