If true history contradicts any moral we wish to teach, our moral must be wrong, and we had better abandon it. ... A truly robust morality can only be strengthened by the fullest knowledge of what really happens in the world.
Source: Bertrand Russell: On Education, especially in early childhood, 1926, Pt. 2： Education of character, chap. 11: Affection and Sympathy
More info.： https://russell-j.com/beginner/OE11-120.HTM
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The attitude of only embracing convenient truths while ignoring inconvenient ones is neither democratic nor admirable; it is the approach of authoritarian or weak-willed politicians. If one is truly confident, there should be no such thing as an inconvenient truth..
Source: Bertrand Russell:
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