You know you're ready to write a book when you have a feeling that you should do it, no matter what anybody says. It's like falling in love or starting a company. When you're still wondering if you should get married or you're still wondering whether you should start a company that might be not the right person or the right idea. And writing is the same way. When you've locked on to the topic, you'll just write it.

A 50-year-old company can innovate as well as two guys/gals in a garage.

Customers can tell you how to evolve a product, but they can't show you how to make a leap.

Great teams are usually small-under fifty in total head count. (There are few examples of a team made up of hundreds of people who created anything revolutionary.) Big teams aren't conducive to revolutionary products because such products require a high degree of single-mindedness, unity, and unreasonable passion.

Organizations are successful because of good implementation,not good business plans.

The more popular a person thinks he is in the blogosphere, the thinner his skin and the thicker his hypocrisy. This should be exactly the opposite: the higher you go the thicker the skin and thinner the hypocrisy.

Evangelism is selling a dream.