When I was 15, I rearranged the sales floor in the boutique I was working in and was the best salesperson in the store. At 25, when my boss Anne Klein died, I took over designing and changed the look of the collection to make it younger and sexier, and also changed how it was shown and sold in the showroom – not to mention just having had a baby while all this was happening.

You should try and copy everything you possibly can! It's just that if you run out of alternatives, if you run out of options to copy, you will realise that your entire life has conditioned you to not only be a great copier, but to hesitate when copying is no longer an option.

When I say books can save us; books can be our dear friends, our amazing teachers, our loyal companions of the road, I really mean it, because it happened to me.

The more people that must be involved, the less likely the theory is to be true. A couple of people could pull it off, hundreds or thousands of people would have to be involved, and it's not likely because we would hear about it.

What we have seen here is a pseudo-nuclear war. An unwind of misused financial instruments created a huge economic shock- which will fundamentally change the next quarter century of our economic story.