
When asked if Florida was a southern state by author Jonathan Daniels
Jonathan Daniels. A Southerner Discovers the South. New York: Macmillan, 1938, p. 310.
Rabbit at Rest (1990)
When asked if Florida was a southern state by author Jonathan Daniels
Jonathan Daniels. A Southerner Discovers the South. New York: Macmillan, 1938, p. 310.
“I'm not senile," I snapped. "If I burn the house down it will be on purpose.”
Source: The Blind Assassin
Remarks at Chicago's O'Hare Airport (September 21, 2001) http://georgewbush-whitehouse.archives.gov/news/releases/2001/09/20010927-1.html
2000s, 2001
Rajiv Malhotra on Twitter on 8 Aug 2013 https://twitter.com/RajivMessage/status/365573091662901251
“If you think too much about being re-elected, it is very difficult to be worth re-electing.”
Rededication and restoration of Congress Hall http://books.google.com/books?id=w0IOAAAAIAAJ&pg=PA30&dq=%22If+you+think+too+much%22, Philadelphia (25 October 1913)
1910s
Though Erdős used this remark, it is said to have originated with his friend Stanisław Ulam, as reported in The Man Who Loved Only Numbers : The Story of Paul Erdős and the Search for Mathematical Truth (1998) by Paul Hoffman
Variants:
The first sign of senility is when a man forgets his theorems. The second sign is when he forgets to zip up. The third sign is when he forgets to zip down.
As quoted in Wonders of Numbers : Adventures in Mathematics, Mind, and Meaning (2002) by Clifford A. Pickover, p. 64
There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down.
Misattributed
Attributed in Paul Hoffman, The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical Truth (1998)
This has also been attributed, with variants, to Paul Erdős, who repeated the remark.