We learn by example and by direct experience because there are real limits to the adequacy of verbal instruction.

Hard work is a prison sentence only if it does not have meaning.

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.

The first person who throws the rock is a lot more radical than a hundredth person.By the time the riot has attracted a hundred people, you don't have to be nearly as much of a daredevil or a hothead or committed or any of those things to want to engage in a riot.

Our first impressions are generated by our experiences and our environment, which means that we can change our first impressions... by changing the experiences that comprise those impressions.

We vary greatly in the natural advantages that we've been given. The world's not fair

Anyone who knows the marketing world knows that ideas come and go, and people latch onto things and think of them as a kind of solution.