Peter Singer Quotes About Survival

• If evolution is a struggle for survival, why hasn't it ruthlessly eliminated altruists, who seem to increase another's prospects of survival at the cost of their own?

  Peter Singer

  Struggle, Survival, Cost

  Peter Singer (2011). “The Expanding Circle: Ethics, Evolution, and Moral Progress”, p.5, Princeton University Press

• Es probable que todos los juicios morales particulares que hacemos intuitivamente deriven de sistemas religiosos descartados, de visiones deformadas del sexo y las funciones corporales, o de costumbres necesarias para la supervivencia del grupo en circunstancias sociales y económicas que ahora se encuentran en un pasado lejano.

  Peter Singer

  Religioso, Sexo, Mentir

• ...the nervous systems of other animals were not artificially constructed - as a robot might be artificially constructed - to mimic the pain behavior of humans. A capacity to feel pain obviously enhances a species' prospects of survival...it is surely unreasonable to suppose that nervous systems that are virtually identical physiologically, have a common origin and a common evolutionary function, and result in similar forms of behavior in similar circumstances should actually operate in an entirely different manner on the level of subjective feelings.

  Peter Singer

  Pain, Animal, Feelings

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