The economy of the future might be called the "spaceman economy," in which the earth has become a single spaceship, without unlimited reservoirs of anything.

The concept of a value-free science is absurd.

If we saw tomorrow's newspaper today, tomorrow would never happen.

Consumption is the death of capital, and the only valid arguments in favor of consumption are arguments in favor of death itself.

We are born to love, as we are born to breathe and eat and drink.

In calling society an ecological system we are not merely using an analogy; society is an example of the general concept of an "ecosystem" that is, an ecological system of which biological systems - forests, fields, swamps - are other examples.

Thus we seem to be on the verge of an expansion of welfare economics into something like a social science of ethics and politics: what was intended to be a mere porch to ethics is either the whole house or nothing at all. In so laying down its life welfare economics may be able to contribute some of its insights and analytical methods to a much broader evaluative analysis of the whole social process.