 
                            
                        
                        
                        “Zuleika, on a desert island, would have spent most of her time in looking for a man's footprint.”
Source: Zuleika Dobson http://www.gutenberg.org/dirs/etext99/zdbsn11.txt (1911), Ch. II
Source: The English Patient
“Zuleika, on a desert island, would have spent most of her time in looking for a man's footprint.”
Source: Zuleika Dobson http://www.gutenberg.org/dirs/etext99/zdbsn11.txt (1911), Ch. II
                                        
                                        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.
                                    
                                        
                                        Speech at Eyre Square, Galway, Ireland (29 June 1963) 
1963
                                    
Source: 10 Productivity Tips From the King of Cashmere, Brunello Cucinelli https://medium.com/@om/10-productivity-tips-from-the-king-of-cashmere-brunello-cucinelli-79c9cf74d9de Medium, Om Malik, April 27, 2015
                                        
                                        Harold Wilson, Memoirs 1916-1964: The Making of a Prime Minister (Weidenfeld & Nicolson and Michael Joseph, London, 1986), p. 121. 
Attributed
                                    
“To me, beauty is looks you can never forget. A face should jolt, not soothe.”
Source: Shock Value: A Tasteful Book About Bad Taste
2010s, 2016, July, This Week Interview (July 30, 2016)
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        