Know everything about the companies and people you are going to be negotiating with. Insist on getting the names of everyone participating in the negotiations. Leave no stone unturned; find out as much as you can.

I'm starting to think about things that I want to do, things that are fun. One of them is driving a car like a Porsche. I've driven a lot of cars - sedans, trucks and big family vehicles all year long. But there's nothing like a four-wheel-drive Porsche.

I actually think being an entrepreneur is a state of mind. If you're going to be an entrepreneur, my thesis is that you have to sacrifice everything for some period in your life to be successful. You have to be myopic and completely focused and unbalanced in every way. Once you've achieved success, you're free to do whatever you like.

If I don't deliver a majority mandate in 2019, fire me.

I do not own a single security anywhere that doesn't pay a dividend, and I formed a mutual-fund company with that very simple philosophy.

Downturns are the best time to start businesses because you develop discipline that's very lean and mean in terms of how to spend money. And those habits serve you very well in good times.

If I were the president of the United States, I would make unions illegal. They no longer serve a functional purpose in democracy, in my view.