
Attributed in Instructions to Young Sportsmen (1824) by Colonel Peter Hawker
Source: "Historical and theoretical issues in the problem of modern capitalism", 1928, p. 143
Attributed in Instructions to Young Sportsmen (1824) by Colonel Peter Hawker
Source: Mathematics as an Educational Task (1973), p. 476-477
The Pageant of Life (1964), On Planning for a Better World
Nelson Mandela on friendship, From his unplubished autobiographical manuscript written in 1975. Source: From Nelson Mandela By Himself: The Authorised Book of Quotations © 2010 by Nelson R. Mandela and The Nelson Mandela Foundation http://www.nelsonmandela.org/content/mini-site/selected-quotes
1970s
Source: The Evolution of Civilizations (1961) (Second Edition 1979), Chapter 4, Historical Analysis, p. 99
Source: 1940s, I is Style (2000), pp. 100-101 : in: 'That is my confession I have to make MERZ' (1940 – 1946), Kurt Schwitters.
Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book I, Chapter V, Sec. 2