Because if the decisions you make about where you invest your blood, sweat, and tears are not consistent with the person you aspire to be, you’ll never become that person.

Businesses want to think in terms of categories. Consumers want us to think in terms of their needs.

Questions are places in your mind where answers fit. If you haven't asked the question, the answer has nowhere to go. It hits your mind and bounces right off. You have to ask the question - you have to want to know - in order to open up the space for the answer to fit.

Intimate, loving, and enduring relationships with our family and close friends will be among the sources of the deepest joy in our lives.

Children build self-esteem by doing things that are hard and learning what works.

The only useful information about the market will be what I create through expeditions into the market, through testing and probing, trial and error, by selling real products to real people who pay real money.

We have found that companies need to speak a common language, because some of the suggested ways to harness disruptive innovation are seemingly counter-intuitive. If companies don't have that common language, it is hard for them to come to consensus on a counter-intuitive course of action.