Every plausible policy must be followed by the question 'And then what?'

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

Ruin is the destination toward which all men rush, each pursuing his own best interest in a society that believes in the freedom of the commons.

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

Education can counteract the natural tendency to do the wrong thing, but the inexorable succession of generations requires that the basis for this knowledge be constantly refreshed.

Fundamentalists are panicked by the apparent disintegration of the family, the disappearance of certainty and the decay of morality. Fear leads them to ask, if we cannot trust the Bible, what can we trust?

Every measured thing is part of a web of variables more richly interconnected than we know.