The right way to talk to strangers is with caution and humility. - Malcolm Gladwell

Six degrees of separation doesn't mean that everyone is linked to everyone else in just six steps. It means that a very small number of people are linked to everyone else in a few steps, and the rest of us are linked to the world through those special few.

We are bad lie detectors in those situations when the person we’re judging is mismatched.

The success of any kind of social epidemic is heavily dependent on the involvement of people with a particular and rare set of social gifts.