Keep inventing and love innovation. That's the reason why he can be successful. Some say you need to become a billionaire so that you can have free time to inve

Keep inventing and love innovation. That's the reason why he can be successful. Some say you need to become a billionaire so that you can have free time to invent. However, he could become a billionaire because he used all his time on inventing. This is the fundamental difference between ordinary people and billionaires.