
Roger Cooke in: The history of mathematics: a brief course http://books.google.co.in/books?id=z-ruAAAAMAAJ, Wiley, 7 October 1997, p. 207.
Source: Ramanujan (1940), Ch. I : The Indian mathematician Ramanujan.
Roger Cooke in: The history of mathematics: a brief course http://books.google.co.in/books?id=z-ruAAAAMAAJ, Wiley, 7 October 1997, p. 207.
(about Ramanujan) p. lvii of [Hardy, G. H., G. H. Hardy, Obituary Notices: Srinivasa Ramanujan, Proceedings of the London Mathematical Society, 19, xl-lviii, 1921, http://www.numbertheory.org/obituaries/LMS/ramanujan/index.html, 2008-05-26]
“Every number is at once half the sum of the two on either side of itself…”
Nicomachus of Gerasa: Introduction to Arithmetic (1926)
2010-, Ai Weiwei: 'Every day I think, this will be the day I get taken in again...', 2011
about trampolines
Source: Blue Collar Comedy Tour, Blue Collar Comedy Tour: One For the Road (2006)
“Look out for number one and try not to step in number two.”
"Cross-purposes, Unconscious Assumptions, Howlers, Misprints, etc.", p. 61.
Littlewood's Miscellany (1986)