Learning to see waste and systematically eliminate it has allowed lean companies such as Toyota to dominate entire industries. Lean thinking defines value as 'providing benefit to the customer'; anything else is waste.

Entrepreneurs always pitch their idea as 'the X of Y', so this is going to be 'the Microsoft of food.' And yet disruptive innovations usually don't have that character. Most of the time, if something seems like a good idea, it probably isn't.

The problem with entrepreneurship is we are often working really hard producing high quality products that no-one wants. The creation of stuff is not valued.

The mistake isn't releasing something bad. The mistake is to launch it and get PR people involved. You don't want people to start amping up expectations for an early version of your product. The best entrepreneurship happens in low-stakes environments where no one is paying attention, like Mark Zuckerberg's dorm room at Harvard.

The way the textbook works is you have gains from trade that should be distributed across all the trading partners. As soon as one bad actor like China massively cheats, they win at the expense of us; they win at the expense of Europe, and over time, it threatens the entire integrity of the global financial system and the global trading system.

As a philanthropist, I give away a lot of money every year. Yet I thought there was a higher leverage to come in and create movies and TV shows that were actually able to do some good in the world.

By putting downward pressure on interest rates, the Fed is trying to make financial conditions more accommodative - supporting asset values and lower borrowing costs for households and businesses and thus encouraging the spending that spurs job creation and a stronger recovery.

I am not bothered about money. I have no dreams that feature money. I dream only of good cinema and good scripts.