You may lose your wife, you may lose your dog, your mother may hate you. None of those things matter. What matters is that you achieve success and become free. Then you can do whatever you like.

If you want a friend, buy a dog.

When you're an investor, you can look at the quantitative and qualitative elements of an investment, but there's a third aspect: What you feel in your gut.

There are a lot of impractical things about owning a Porsche. But they're all offset by the driving experience. It really is unique. Lamborghinis and Ferraris come close. And they are more powerful, but they don't handle like a Porsche.

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.

Don't cry about money, it never cries for you.