Using the commons as a cesspool does not harm the general public under frontier conditions, because there is no public, the same behavior in a metropolis is unbearable.

A coldly rationalist individualist can deny that he has any obligation to make sacrifices for the future.

Religious reasons, which is no reason. I notice Skeptic had a review of Dennett's book, Darwin's Dangerous Idea. Religious reasons amount to what Dennett terms "skyhooks." Do you believe in skyhooks? I don't.

Ecological differentiation is the necessary condition for coexistence.

Never globalize a problem if it can possibly be dealt with locally.

To say that we mutually agree to coercion is not to say that we are required to enjoy it, or even to pretend we enjoy it.

The greatest folly is to accept expert statements uncritically. At the very least, we should always seek another opinion.