Derek Parfit Professions : Philosopher Born : December 11, 1942 Died : January 1, 2017 Browse All Authors Top 6 quotes by Derek Parfit No question is more sublime than why there is a Universe: why there is anything rather than nothing Derek Parfit sublime universe We might neglect our future selves because of some failure of belief or imagination. Derek Parfit imagination self might Normativity, I believe, is very different from motivating force. Neither includes, or implies, the other. Other animals can be motivated by their desires and beliefs. Only we can understand and respond to reasons. Derek Parfit psychology animal believe It is not enough to ask, 'Will my act harm other people?' Even if the answer is No, my act may still be wrong, because of its effects on other people. I should ask, 'Will my act be one of a set of acts that will together harm other people?' The answer may be Yes. And the harm to others may be great. If this is so, I may be acting very wrongly, like the Harmless Torturers. Derek Parfit acting together people While reasons are provided by the facts,...rationality...depends instead on our beliefs. [...] [I]f I believe falsely that my hotel is on fire, it may be rational for me to jump into the canal. But I have no reason to jump. I merely think I do. And, if some dangerous treatment would save your life, but you don't know that fact, it would be irrational for you to take this treatment, but that is what you have most reason to do. Derek Parfit fire believe thinking Criticizing himself again, Sidgwick writes: I am not an original man: and I think less of my own thoughts every day. Derek Parfit writing men thinking Similar Authors F. H. Bradley philosopher Irving Copi philosopher Ivan Ilyin philosopher Ivan Illich philosopher Bion of Borysthenes philosopher Bonaventure philosopher All Authors