First take a look at these two wiki pages:
http://en.wikipedia....iki/Selfishness
http://en.wikipedia.org/wiki/Altruism
I noticed a long time ago that wikipedia has a mainstream bias, but even taking that into account doesn't the article on selfishness a bit lacking?
I mean look at the other page. Full of quotes and even a picture.
I think the following sentences or some others should be included under the subtitle of objectivism: