“[W]hat makes patriotic and religious fanatics such dangerous opponents is not the deaths of the fanatics themselves, but their willingness to accept the deaths of a fraction of their number in orde...”

“The history of interactions among disparate peoples is what shaped the modern world through conquest, epidemics and genocide. Those collisions created reverberations that have still not died down a...”

“Much of human history has consisted of unequal conflicts between the haves and the have-nots.”

“(On the beginning of the mid-1990s' genocidal war in Rwanda:)Within six weeks, an estimated 800,000 Tutsi, representing about three-quarters of the Tutsi then remaining in Rwanda, or 11% of Rwanda'...”

“The metaphor is so obvious. Easter Island isolated in the Pacific Ocean once the island got into trouble, there was no way they could get free. There was no other people from whom they could get h...”

“To me, the conclusion that the public has the ultimate responsibility for the behavior of even the biggest businesses is empowering and hopeful, rather than disappointing. My conclusion is not a mo...”

“The race is now on between the technoscientific and scientific forces that are destroying the living environment and those that can be harnessed to save it. . . . If the race is won, humanity can e...”

“None can reply - all seems eternal now. The wilderness has a mysterious tongue, which teaches awful doubt.”

“When Mother Nature speaks, even the Gods hold silence.”

“What is the meaning of life? Why are we here? Philosophers have pondered that question for centuries. I'm afraid the answer is disappointingly simple: Mating. That's it.”