Alan Guth and Paul Steinhardt, The inflationary universe, edited by [Paul Davies, The New Physics, Cambridge University Press, 1992, 0-521-43831-4, 54]
as quoted by [Stephen Hawking, A Brief History of Time, Bantam Books, 1988, 0-553-34614-8, 129]
“There's no such thing as a free lunch.”
Also often misattributed to Robert A. Heinlein because both helped popularize the expression – Friedman with a book with that title. The phrase actually dates to at least the 1930s.
Misattributed
“The free lunch is the essence of modern liberalism.”
2010s, 2013, Obamacare laid bare (2013)
“Before lunch, and ultimately recess, I need you to know - you're going to die.”
http://www.youtube.com/watch?v=yBk37T4u03I "Fall Out Boy for DoSomething.org"
YouTube.com
“Lunch special 8.99, kids eat free……. shit.”
From Viva La Bam
Source: An Introduction To Probability Theory And Its Applications (Third Edition), Chapter VIII, Unlimited Sequences Of Bernoulli Trials, p. 202.
Source: Fritz Zwicky, [On the redshift of spectral lines through interstellar space, Proceedings of the National Academy of Sciences of the United States of America, 15, 10, 1929, 773–779, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC522555/] (quote from p. 773)
What I Think (1956), p. 55 http://books.google.com/books?id=3OchAAAAMAAJ&q=%22Men+may+be+born+free+they+cannot+be+born+wise+and+it+is+the+duty+of+the+university+to+make+the+free+wise%22&pg=PA55#v=onepage
