Source: Innumeracy: Mathematical Illiteracy and its Consequences (1988), Chapter 2, “Probability and Coincidence” (pp. 37-38; ellipsis represents elision of examples)
“If two events are to be represented as occurring in succession, then—paradoxically—they must also be thought of simultaneously.”
            As quoted by Max Jammer, Concepts of Simultaneity: From Antiquity to Einstein and Beyond (2008) 
Context: Our conscious appreciation of the fact that one event follows another is of a different kind from our awareness of either event separately. If two events are to be represented as occurring in succession, then—paradoxically—they must also be thought of simultaneously.
        
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Gerald James Whitrow 39
British mathematician 1912–2000Related quotes
“The Universe consists of non-simultaneously apprehended events.”
                                        
                                        As quoted by Robert Anton Wilson in Maybe Logic - The Lives and Ideas of Robert Anton Wilson (2003) 
From 1980s onwards
                                    
                                        
                                        Cited in: Richard K. Betts (1982) Surprise attack: lessons for defense planning. p. 158 
Principles of Operations Research (1975)
                                    
                                        
                                        The Vital Illusion (2000) "The Murder of the Real". Wellek Library Lectures given May 1999 at the University of California, Irvine 
New millennium