“Ethics is in origin the art of recommending to others the sacrifices required for co-operation with oneself.”
Source: 1910s, Mysticism and Logic and Other Essays http://archive.org/stream/mysticism00russuoft/mysticism00russuoft_djvu.txt (1918), Ch. 6: On the Scientific Method in Philosophy
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Bertrand Russell 562
logician, one of the first analytic philosophers and politi… 1872–1970Related quotes

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“Originality is being different from oneself, not others.”
Source: Philip Larkin: Letters to Monica

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“[I will] not co-operate on [a] no-deal.”
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“The only thing that will redeem mankind is co-operation”
Source: 1950s, Human Society in Ethics and Politics (1954), p. 212
Context: The only thing that will redeem mankind is co-operation, and the first step towards co-operation lies in the hearts of individuals.

2008, A World that Stands as One (July 2008)
Context: History reminds us that walls can be torn down. But the task is never easy. True partnership and true progress requires constant work and sustained sacrifice. They require sharing the burdens of development and diplomacy; of progress and peace. They require allies who will listen to each other, learn from each other and, most of all, trust each other.