I wouldn't write a book, because saying the word I over and over again would nauseate me.
Work isn't really work for me.
My philosophy all my life has been the pursuit of excellence.
The last thing you want to do, unless it's a very unusual situation, is to invest money.
Money is not a fund of knowledge.
Go into something because you really like it, and then do it with a drive and enthusiasm so that it isn't work.