Cats teach their kittens to catch mice and play with them; militarists do likewise with the human young. The cat loves the kitten, but not the mouse; the militarist may love his own son, but not the sons of his country's enemies.
Source: On Education, especially in early childhood, 1926, by Bertrand Russell
More info.: https://russell-j.com/beginner/OE02-100.HTM
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