[I]n all mammalian species that have so far been carefully studied, the rate at which their members engage in the killing of conspecifics is several thousand times greater than the highest homicide rate in any American city.

From what can 'ought' be derived. The most compelling answer is this: ethics must be somehow based on an appreciation of human nature - on a sense of what a hu…

If you have ever asked yourself if there are facts about yourself (about your health, your competence, your prospects) you would rather not know, and decided t…

Experience teaches...that there is no such thing as a thought experiment so clearly presented that no philosopher can misinterpret it...