David Gemmell book Legend
Source: Drenai series, Legend, Pt 1: Against the Horde, Ch. 28
Book II, Ch. 12
Essais (1595), Book II
David Gemmell book Legend
Source: Drenai series, Legend, Pt 1: Against the Horde, Ch. 28
G. K. Chesterton (1874–1936) English mystery novelist and Christian apologist
Illustrated London News (16 July 1910)
David Hume book A Treatise of Human Nature
Part 3, Section 16
A Treatise of Human Nature (1739-40), Book 1: Of the understanding
Adolf Hitler (1889–1945) Führer and Reich Chancellor of Germany, Leader of the Nazi Party
Munich - Speech of April 12, 1922 https://archive.org/stream/TheSpeechesOfAdolfHitler19211941/hitler-speeches-collection_djvu.txt <br class="br">1920s
Sarojini Naidu (1879–1949) Indian politician, governor of the United Provinces of Agra and Oudh from 1947 to 1949
Gandhi after she returned from America quoted in "Sarojini Naidu: An Introduction to Her Life, Work and Poetry", p=64
Alexander Bryan Johnson (1786–1867) United States philosopher and banker
The Philosophical Emperor, a Political Experiment, or, The Progress of a False Position: (1841)
“We cannot solve the problems using the same kind of thinking we used when we created them”
Albert Einstein (1879–1955) German-born physicist and founder of the theory of relativity
"Einstein's famous saying in Copenhagen", as quoted in a FBIS Daily Report https://books.google.de/books?id=DfQTAQAAMAAJ&q=%22We+cannot+solve%22: East Europe (4 April 1995), p. 45 <br class="br">Disputed