I sense that, without sensitivity to physical pain and pleasure, man would not have known self-interest, and consequently know just or unjust acts. Thus, physical sensitivity and self-interest are the authors of all justice.


Second Nature: The Inner Lives of Animals (ed. Macmillan, 2010) - ISBN: 9780230109261


I sense that, without sensitivity to physical pain and pleasure, man would not have known self-interest, and consequently know just or unjust acts....

I sense that, without sensitivity to physical pain and pleasure, man would not have known self-interest, and consequently know just or unjust acts....

I sense that, without sensitivity to physical pain and pleasure, man would not have known self-interest, and consequently know just or unjust acts....

I sense that, without sensitivity to physical pain and pleasure, man would not have known self-interest, and consequently know just or unjust acts....