“We may not need a new ecological philosophy, but need to reawaken something very old, to reawaken our understanding of Earth wisdom.”

“Deep ecology is not just a pragmatic, short-term social movement. It attempts to question and …”

— Bill Devall, "The Deep Ecology Movement", Natural Resources Journal (1980)

“The environmental/ecology movement has been a response to the awareness by many people that …”

— Bill Devall, Deep Ecology* (1985)

“The work of many ecologists has encouraged the adoption of an ecological consciousness, changing the …”

— Bill Devall, Deep Ecology* (1985), referencing Aldo Leopold

“This book is an attempt at codifying a scattered body of ecological insight into a philosophy that …”

— Bill Devall, Deep Ecology* (1985)

“We need to accept the invitation to the dance - the dance of unity of humans, plants, animals, the …”

— Bill Devall, Deep Ecology* (1985)