You want the book to be special, and they are not always going to be special, but at least you want that to be the ambition. So the only way that happens is if you are not pressing to write a book.

We have the Google family calendar. Before a week starts, my wife and I sit down to decide who's driving who to school or when can we go out on a date.

Above all, recognize that if you have had success, you have also had luck — and with luck comes obligation. You owe a debt, and not just to your Gods. You owe a debt to the unlucky.

I'd say part of the appeal of Trump is that he's presenting himself as a totally certain, infallible person.

The institutions at the centre of capitalism are bigger than they've ever been, the pay is much greater, the ability of society to get its arms around it is much less. The political clout of the financial class is unbelievable. I'd say the story is darker than when I was there. When I was there it felt like a comedy - and now it feels more like a tragedy.

If you're the kind of kid who thinks that all that's important in life is making money, Wall Street is probably still the place to go, especially now that Trump's elected.

Just because you've been successful and just because you've disrupted an environment, doesn't mean you're a role model or that you actually have anything to teach anybody. There's an awful lot of luck and accident in the world, and maybe you were just on the receiving end of that.