Nature is an expert in cost-benefit analysis,' she says. 'Although she does her accounting a little differently. As for debts, she always collects in the long run...

As Charles Darwin said,'The economy shown by Nature in her resources is striking,'' says the Spirit. 'All wealth comes from Nature. Without it, there wouldn't be any economics. The primary wealth is food, not money. Therefore anything that concerns the handling of the land also concerns me.

In biology, nothing is clear, everything is too complicated, everything is a mess, and just when you think you understand something, you peel off a layer and find deeper complications beneath. Nature is anything but simple.

Debt is part of the human condition. Civilization is based on exchanges - on gifts, trades, loans - and the revenges and insults that come when they are not paid back.

Some people mistakenly think nature is very nice and benevolent and never betrays.

It is not acceptable to take a catastrophe of nature and turn it into a catastrophe of debt,