Consistency is the most overrated of all human virtues... I'm someone who changes his mind all the time.

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

We don't know where our first impressions come from or precisely what they mean, so we don't always appreciate their fragility.

The sense of possibility so necessary for success comes not just from inside us or from our parents. It comes from our time: from the particular opportunities that our place in history presents us with.

We can unravel the logic behind who succeeds and who doesn't.

I'm someone who can provide an intellectual framework, but I can't tell people who are trying to sell Product X how to do that because I don't know, and I would be faking it if I attempted to step into that role.

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.