The following post has been reblogged from Seth’s Blog. He is a genius and we hope you enjoy it as much as we did!
One person selfishly drops a piece of litter on the ground, the other selfishly picks it up.
Everything we do is done because it’s better than not doing it. “Better” is the complicated term. Better might mean, “gives me physical pleasure right now,” for some people, while better might mean, “the story I tell myself about the contribution I just made gives me joy and satisfaction.”