Introduction
Higher Mathematics for Chemical Students (1911)
“Actually, even with tested missiles, results of attacks are not really mathematically predictable. The probability of extreme variations in performance, the upper and lower limits, cannot be calculated accurately. But laymen or narrow professionals persist in regarding the matter as a simple problem in engineering and physics.”
The Magnum Opus; On Thermonuclear War
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Herman Kahn 27
American futurist 1922–1983Related quotes

Letter (23 January 1861), published in Lord Acton and his Circle (1906) by Abbot Francis Aidan Gasquet, Letter 74
1860s

Source: 19th century, Popular Scientific Lectures [McCormack] (Chicago, 1898), p. 197; On mathematics and counting.
Principles of Biochemistry, Ch. 1 : The Foundations of Biochemistry
Source: Just a Theory: Exploring the Nature of Science (2005), Chapter 2, “Just a Theory: What Scientists Do” (p. 24)
Source: The Gift of Fear: Survival Signals That Protect Us from Violence
Introduction, The Nature of Probability Theory, p. 3.
An Introduction To Probability Theory And Its Applications (Third Edition)