Often a sign of expertise is noticing what doesn't happen.

Visionaries are limited by their visions.

Insight is not a lightbulb that goes off inside our heads. It is a flickering candle that can easily be snuffed out.

What happens when two people talk? That is really the basic question here, because, that's the basic context in which all persuasion takes place.

[Research] suggests that what we think of as free will is largely an illusion: much of the time, we are simply operating on automatic pilot, and the way we think and act – and how well we think and act on the spur of the moment – are a lot more susceptible to outside influences than we realize.

It's as if you were interested in fashion and your neighbor when you were growing up happened to be Giorgio Armani.

Emotion is contagious.