To become a chess grandmaster also seems to take about ten years. (Only the legendary Bobby Fisher got to that elite level in less than that amount of time: it took him nine years.) And what's ten years? Well, it's roughly how long it takes to put in ten thousand hours of hard practice. Ten thousand hours is the magic number of greatness.

Success is a function of persistence and doggedness and the willingness to work hard.

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.

The religious paradigm and the science fiction paradigm are different. Apologies to science fiction fans, but the paradigm there is to create a new world and describe it with a kind of specificity that we describe the world we inhabit. Religiosity, on the other hand, does none of that.

So, it's a very, you know - maybe we're wrong in - you know, we go around thinking the innovator is the person who's first to kind of conceive of something. And maybe the innovation process continues down the line to the second and the third and the fourth entrant into a field.

When the students were asked to identify their race on a pretest questionnaire, that simple act was sufficient to prime them with all the negative stereotypes associated with African Americans and academic achievement. If a white student from a prestigious private high school gets a higher SAT score than a black student from an inner-city school, is it because she’s truly a better student, or is it because to be white and to attend a prestigious high school is to be constantly primed with the idea of “smart”?

What must underlie successful epidemics, in the end, is a bedrock belief that change is possible, that people can radically transform their behavior or beliefs in the face of the right kind of impetus.