"The public is largely unaware of the true nature of the problem, and that is why I felt compelled to write this book."

"The question is whether any civilization can wage relentless war on life without destroying itself, and without losing the right to be called civilized."

"The more we learn about the complexities of life, the more we realize how little we know."

"There was a time when man had a closer communion with the natural world, but now we have become so separated. We have lost our sense of wonder."

"Future generations are not going to forgive us for the way we are destroying the planet."