Ecological differentiation is the necessary condition for coexistence.

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.

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

Continuity is at the heart of conservatism: ecology serves that heart.

(Technology reliability) x (Human reliability) = (System reliability)

The exquisite sight, sound, and smell of wilderness is many times more powerful if it is earned through physical achievement, if it comes at the end of a long and fatiguing trip for which vigorous good health is necessary. Practically speaking, this means that no one should be able to enter a wilderness by mechanical means.

We see only what we have names for.