If we are prepared to take the life of another being merely in order to satisfy our taste for a particular type of food, then that being is no more than a means to our end.

We are, quite literally, gambling with the future of our planet- for the sake of hamburgers

If we all think only of our own interests, we are headed for collective disaster - just look at what we are doing to our planet's climate.

In my world of the people who study war and defense issues, we simply did not talk about robotics. We do not talk about it because it's seen as mere science fiction. It's cold, hard, metallic reality.

According to the Dominant Western tradition, the natural world exists for the benefit of human beings.

Charitable giving is a huge sector in the United States. It amounts to $350 billion a year. And yet, I can't help feeling that a lot of that is wasted because people have not been thinking about how to do it as effectively as possible.

If penicillin had been judged by its toxicity to guinea pigs, it might never have been used by man.