Work 8 hours a day? Come on man, you gotta 10x that and work 80 hours a day. Family, friends, scientists, anyone tell you that's impossible just ignore the haters because they're average and trying to hold you back from success.
There are a lot of things to like in this book: don't be a victim, take responsibility for your own actions and future, work hard, be resilient, persist. Grant isn't afraid to tell you that success is going to take work and that it will be difficult, and those are the highlights of the book.
The TL:DR of this book is this: the answer to every question in your life is to take "massive action." That's it. No matter the question, the answer is always massive action. And honestly, that works for Grant and his wife. They're on the same page with what their version of success looks like