People dont realize that we cannot forecast the future. What we can do is have probabilities of what causes what, but thats as far as we go. And Ive had a very successful career as a forecaster, starting in 1948 forward. The number of mistakes I have made are just awesome. There is no number large enough to account for that.

Regulators have not been able to achieve the level of future clarity required to act pre-emptively. The problem is not lack of regulation but unrealistic expectations. What we confront in reality is uncertainty, some of it frighteningly so...

Senator, we are groping for understanding, the knowledge you assume I possess doesn't exist' - 'The only effective regulation lies in the propensity of customers to choose alternatives, of investors to move their funds elsewhere and of labour to acquire technical skills' - 'Senator, if I seem clear to you, you must have misunderstood me' - 'Unfortunately, Senator, nobody knows where the next innovative idea is coming from. Political decisions are never random and will always lose out to innovative alternatives

Productivity is notoriously difficult to predict.

I don't think it's possible for the Fed to end its easy-money policies in a trouble-free manner. Recent episodes in which Fed officials hinted at a shift toward higher interest rates have unleashed significant volatility in markets, so there is no reason to suspect that the actual process of boosting rates would be any different. I think that real pressure is going to occur not by the initiation by the Federal Reserve, but by the markets themselves.

The current financial crisis in the US is likely to be judged in retrospect as the most wrenching since the end of the Second World War.

In the absence of the gold standard, there is no way to protect savings from confiscation through inflation. There is no safe store of value.