Source: The Physics Of Baseball (Second Edition - Revised), Chapter 2, The Flight Of The baseball, p. 22
“Baseball players or cricketers do not need to be able to solve explicitly the non-linear differential equations which govern the flight of the ball. They just catch it.”
Part I, Chapter 5, Mechanistic Modelling, p. 108
The Death of Economics (1994)
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Paul Ormerod 20
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Source: The Physics Of Baseball (Second Edition - Revised), Chapter 1, Models And Their Limitations, p. 1

Mathematical Methods in Science (1977)
Context: Even if without the Scott's proverbial thrift, the difficulty of solving differential equations is an incentive to using them parsimoniously. Happily here is a commodity of which a little may be made to go a long way.... the equation of small oscillations of a pendulum also holds for other vibrational phenomena. In investigating swinging pendulums we were, albeit unwittingly, also investigating vibrating tuning forks.<!--p.224
“To hit a baseball with dispatch, one needs both to step into the ball and to rotate.”
Source: The Physics Of Baseball (Second Edition - Revised), Chapter 5, Batting The Ball, p. 68
Source: The Mechanism of Economic Systems (1953), p. 128; As cited in: Prices Revalued as Information: Circuit Elements, online document 2013
Mike Watkinson (2008), quoted in [Lancashire sign Lou Vincent, Cricinfo staff, http://content-uk.cricinfo.com/england/content/story/353666.html, Cricinfo, 2008-06-05, 2008-06-05]
Source: The Boys Of Summer, Chapter 1, The Trolley Car That Ran By Ebbets Field, p. 10