[Diggsey]

What's the difference between someone who donates because it makes them feel good (to have a positive impact on the world) and someone who does it because they want to have a positive impact on the world?

There isn't one. It's the same thing.

All choices can be traced back to a "selfish" reason. To deny that is to suggest that there is something other than our self that determines if we are a good person or not.

[ClumsyPilot]

What is the difference between someone who lives a trully happy life of luxury and someone who lives in squalor and his happyness is induced through drugs?

There isn't one. Its the same thing.

To deny that is to suggesy that theelre is something other than our self that determined is we had a good life.