Cheops law

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Cheops' Law is an adage or epigram that is typically stated as, Nothing ever gets built on schedule or within budget.[1][2]

Written by Robert A. Heinlein; attributed to his fictitious character Lazarus Long in Time Enough for Love (1973)[3] and later in The Notebooks Of Lazarus Long.


  1. ^ Jon Fripp, Michael Fripp, Deborah Fripp, Speaking of Science (Newnes, 2000), ISBN 978-1878707512, p. 192. Excerpts available at Google Books.
  2. ^ Arthur Bloch, Murphy's Law: the 26th Anniversary edition, (Penguin, 2003), ISBN 978-0399529306, p. 61. Excerpts available at Google Books.
  3. ^ Robert A. Heinlein, Time Enough for Love (Penguin, 1988 reprint), ISBN 978-0441810765. Excerpts available at Google Books.