"We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet."

"There are no unique, independent, isolated events. Everything is connected to everything else."

"The universe is a very strange place, and I'm still trying to figure it out."

"I would like to know the mind of God—everything else is details."

"The human failing I would most like to correct is aggression. It may have had survival advantage in caveman days, to get more food, territory or partner with whom to reproduce, but now it threatens to…"