“Selfishness isn’t characterized by knowing how you feel or what you want; selfishness is when you demand that other people always cater to your feelings, your wants, and your needs.” — Leslie Vernick Copy Share Image
We found evolution will punish you if you're selfish and mean. For a short time and against a specific set of opponents, some selfish organisms may come out ahead. But selfishness isn't evolutionarily sustainable. — Chris Adami Copy Share Image
