Rewards can deliver a short-term boost—just as a jolt of caffeine can keep you cranking for a few more hours. But the effect wears off—and, worse, can reduce a person’s longer-term motivation to continue the project.

If you create something, whether it's a painting or a company, I think if you care about it, you have some obligation to go out and tell people about it.

A lot of times when you have very short-term goals with a high payoff, nasty things can happen. In particular, a lot of people will take the low road there. They'll become myopic. They'll crowd out the longer-term interests of the organization or even of themselves.

You know, I'm not a huge fan of the concept of 'passion' when it comes to careers. Instead of trying to answer the daunting question of 'What's your passion?' it's better simply to watch what you do when you've got time of your own and nobody's looking.

We have this myth that extroverts are better salespeople. As a result, extroverts are more likely to enter sales; extroverts are more likely to get promoted in sales jobs. But if you look at the correlation between extroversion and actual sales performance - that is, how many times the cash register actually rings - the correlation's almost zero.

Questions are often more effective than statements in moving others. Or to put it more appropriately, since the research shows that when the facts are on your side, questions are more persuasive than statements, don't you think you should be pitching more with questions?

The billable hours is a classic case of restricted autonomy. I mean, you're working on - I mean, sometimes on these six-minute increments. So you're not focused on doing a good job. You're focused on hitting your numbers. It's one reason why lawyers typically are so unhappy. And I want a world of happy lawyers.