Sooner or later, many idealists transform themselves into disheartened realists who mistakenly believe that giving up is the same thing as being realistic.

No, the only way to know what people think is to watch what they do, not what they say. Do they come back for more? Do you cause them to change their behavior? Can you make them smile?

It turns out that the people who like their jobs the most are also the ones who are doing the best work, making the greatest impact, and changing the most.

Our job is obvious: we need to get out of the way, shine a light, and empower a new generation to teach itself and to go further and faster than any generation ever has.

While you may have made money doing something a certain way yesterday, there's no reason to believe you'll succeed at it tomorrow.

When we think about what might go wrong, we're more likely to design something that goes right.

People are buying only one thing from you: the way the engagement (hiring you, working with you, dating you, using your product or service, learning from you) makes them feel.