Even in financial markets, the concept of market efficiency does not hold.

The linear, mechanistic view of the world which pervades orthodox economics is simply not capable of capturing the richness and complexity of the rhythms and fluctuations of developed economies.

Baseball players or cricketers do not need to be able to solve explicitly the non-linear differential equations which govern the flight of the ball. They just catch it.

The reader might reflect that an awful lot of supposing has to take place in order for the quantity theory of money to be true.

Once the true relationship between inflation and unemployment is understood, with luck and skill, a free lunch is possible.

By any reasonable criteria, the discipline of economics as a whole, in its present state, is sadly lacking.

The behavior of the economy as a whole, at the aggregate, macro-level, is built up from the individual equations at the micro-level.

The temptation to use mathematics is irresistible for economists. It appears to convey the appropriate air of scientific authority and precision to economists' musings.

At 2 per cent growth a year, an economy doubles in size in just thirty years.

Despite the high salaries involved, employing economists is a cost-effective way for banks, and stockbrokers to secure exposure in the media.

Remember all things are possible for those who believe.

We love in others what we lack ourselves and would be everything but what we are.

The busy man has few idle visitors; to the boiling pot the flies come not.

Remember that the six most expensive words in business are: 'We've always done it that way'

Between friends, frequent reproofs make the friendship distant.

Things are the way they are because they were the way they were.

Conscience is that which hurts when everything else feels marvelous.

Humanity is living off its ecological credit card and can only do this by liquidating the planet's natural resources.

Feeling passionate about something doesn't mean you have to be angry.

I have great faith that there's a master plan and that even if we don't understand it and even if it's heartbreaking, there's a reason for everything. And I hold on to that.