its meaning, and i've always liked to write about real people who are in a situation whether it be averill hairman after world war ii and you have a create a new world ordinary like nato and the world bank and the marshall plan 0 steve jobs who says we're now in a digital revolution, we have to make it personal. these are people who -- to use steve jobs' words, were able to think different, think out of the box. i want to try to explore the creative mind and how it works. >> host: one of them themes -- themes in your book seems to be a connect to spirituality. >> guest: everybody believed they were part of something larger than themselves. i remember sitting with steve jobs and i asked him why did you do what you do? and he said, life is like a river. you get to pick things out of the river, really cool things people have done, they put before you in the river, great devices or great ideas, but after a while you realize it's not how much you get to take out of the river it's what you put back into the river, what you leave behind so that your spirit is still manifest after you have been go