“We needn't be saddened with the impossible weight of managing the entire biosphere, but we must meet the challenge of living in balance with the sacred elements.”

“Change is never easy, and it often creates discord, but when people come together for the good of humanity and the Earth, we can accomplish great things.”

“There are some things in the world we can't change - gravity, entropy, the speed of light, and our biological nature that requires clean air, clean water, clean soil, clean energy and biodiversity ...”

“If we humans are good at anything, its thinking weve got a terrific idea and going for it without acknowledging the potential consequences or our own ignorance.”

“The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.”

“The human brain now holds the key to our future. We have to recall the image of the planet from outer space: a single entity in which air, water, and continents are interconnected. That is our home.”

“Facts are many, but the truth is one.”

“I think the truth is black-and-white.”

“Truth is the most valuable thing we have. Let us economize it.”

“You don't know me. You know one me, just like I know one you. And you can't know every me, and I can't know every you.”

“When I knew people, I knew me and when I knew me, I knew people.”

“Our spirit knows our purpose, let these en-grained impressions shape our perceptions of who we think we are today.”