The population problem has no technical solution; it requires a fundamental extension in morality.

Value is a relative concept: the value of each action is determined by comparing it with other possible actions.

The only kind of coercion I recommend is mutual coercion, mutually agreed upon by the majority of the people affected.

Ecological differentiation is the necessary condition for coexistence.

What features of your daily life do you expect to be improved by a further increase in population?

We can't cure a shortage by increasing the supply.

No one should be able to enter a wilderness by mechanical means.