Bertrand Russell Quotes
By self-interest, Man has become gregarious, but in instinct he has remained to a great extent solitary; hence the need of religion and morality to reinforce self-interest. 
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Self-interest | | Interest | Gregarious | Instinct |
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Collective fear stimulates herd instinct, and tends to produce ferocity toward those who are not regarded as members of the herd.
- Bertrand Russell
