“Sometimes a concept is baffling not because it is profound but because it is wrong.”

“Karl Marx was right, socialism works, it is just that he had the wrong species”

“Jungles and grasslands are the logical destinations, and towns and farmland the labyrinths that people have imposed between them sometime in the past. I cherish the green enclaves accidentally left behind.”

“Perhaps the time has come to cease calling it the 'environmentalist' view, as though it were a lobbying effort outside the mainstream of human activity, and to start calling it the real-world view.”

“One planet, one experiment.”

“Human nature is deeper and broader than the artificial contrivance of any existing culture.”

“People would rather believe than know.”