If investing is entertaining, if you're having fun, you're probably not making any money. Good investing is boring.

If I had to sum up my practical skills, I would use one word: survival. And operating a hedge fund utilized my training in survival to the fullest.

The ultimate asset bubble is gold.

Who most benefits from keeping marijuana illegal? The greatest beneficiaries are the major criminal organizations in Mexico and elsewhere that earn billions of dollars annually from this illicit trade - and who would rapidly lose their competitive advantage if marijuana were a legal commodity.

When I had made more money than I needed for myself and my family, I set up a foundation to promote the values and principles of a free and open society.

I think it is natural that every country has to take care of its interests, but there are some interests that are common to all countries. There are some human interests, or we need also international cooperation. We've sometimes confused it with dictation.

It is much easier to put existing resources to better use, than to develop resources where they do not exist.