Incompetence is certainty in the absence of expertise. Overconfidence is certainty in the presence of expertise.

People are experience-rich and theory-poor. I help people organize / make sense of their experiences.

There's no idea that can't be explained to a thoughtful 14-year-old. If the thoughtful 14-year-old doesn't get it, it is your fault, not the 14-year-old's.

If you want to bring a fundamental change in people's belief and behavior...you need to create a community around them, where those new beliefs can be practiced and expressed and nurtured.

...mediocre people find their way into positions of authority...because when it comes to even the most important positions, our selection decisions are a good deal less rational than we think.

The act of facing overwhelming odds produces greatness and beauty.

I became convinced that knowing lots of people was kind of skill, something that the diligent can overcome.