“Essentally combat is an expression of hostile feelings. But in the large-scale combat that we call war hostile feelings often have become merely hostile intentions. At any rate, there are usually no hostile feelings between individuals. Yet such emotions can never be completely absent from war. Modern wars are seldom fought without hatred between nations; this serves as a more or less substitute for the hatred between individuals. Even when there is no natural hatred and no animosity to start with, the fighting itself will stir up hostile feelings: violence committed on superior orders will stir up the desire for revenge and retaliation against the perpetrator rather than against the powers that ordered the action. It is only human (or animal, if you like), but it is a fact.”
On War (1832), Book 2
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Carl von Clausewitz 68
German-Prussian soldier and military theorist 1780–1831Related quotes
Source: 1950s, National images and international systems, 1959, p. 120-121

1930s, Address at Chautauqua, New York (1936)

“In the combat between wisdom and feeling, wisdom never wins.”
Merlin to King Arthur in "The Death of Merlin"
The Acts of King Arthur and His Noble Knights (1976)

Speech at the Albert Hall, London (3 December 1936) at a cross-party meeting organised by the League of Nations Union "in defence of freedom and peace", quoted in The Times (4 December 1936), p. 18
The 1930s