Money is not the sole or most powerful motivation for many people. A higher and tougher test is to look back and see how you've made the world a better place.
Guy KawasakiYou 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.
Guy Kawasaki