When money is free, the rational lender will keep on lending until there is no one else to lend to.

The collapse of the global marketplace would be a traumatic event with unimaginable consequences. Yet I find it easier to imagine than the continuation of the present regime.

Making an investment decision is like formulating a scientific hypothesis and submitting it to a practical test. The main difference is that the hypothesis that underlies an investment decision is intended to make money and not to establish a universally valid generalization.

An open society calls itself open to improvement. It is based on the recognition that people have divergent views and interests, and that nobody is in possession of the ultimate truth.

I used to be opposed to the idea of social entrepreneurship. I said, you know, let business be business, and philanthropy be philanthropy. Keep the two separate, don't mix it up, and this is what I did, and I did that rather successfully, but I now recognize that actually you do need to mix it up and I think there is room for social entrepreneurship.

We are trying to make the world a better place, but that is not necessarily what we accomplish. Many of the problems which preoccupy us are basically insoluble.

The assumption of perfect knowledge is very far from reality ... a lot of the evil in the world is actually not intentional.